[Table_Page] 公司深度研究|环保 证券研究报告 [Table_Title] 誉帆科技（001396.SZ） 立足地下管网修复，受益城市更新主线 [Table_Summary] 核心观点： 盈利预测： | [Table_ 单位 Finance] :人民币百万元 | 2023A | 2024A | 2025E | 2026E | 2027E | | --- | --- | --- | --- | --- | --- | | 营业收入 | 630 | 730 | 801 | 1,042 | 1,395 | | 增长率（ % ） | 22.9% | 15.9% | 9.7% | 30.1% | 33.8% | | EBITDA | 179 | 236 | 233 | 323 | 450 | | 归母净利润 | 100 | 127 | 147 | 206 | 290 | | 增长率（ % ） | 24.7% | 26.7% | 15.2% | 40.7% | 40.5% | | EPS（元/股） | 1.25 | 1.59 | 1.37 | 1.93 | 2.71 | | 市盈率（P/E） | - | - ...

1. Report Industry Investment Rating - No relevant content provided. 2. Core Viewpoints of the Report - The overseas macro - environment in 2026 continues to warm up. The combination of "low inflation + weak reality + Fed chair change" in the US is conducive to Fed easing, and the quality of January's economic data is expected to return to normal. The "broad fiscal + broad monetary" policy in the US promotes economic prosperity. The ECB maintained interest rates unchanged in December and raised GDP forecasts for this year and next. Japan's interest rate hike was implemented as expected without radical tightening, and it raised the 2025 GDP growth forecast while maintaining the 2026 forecast [6]. - In China, the National Housing and Urban - Rural Development Work Conference was held on December 23, deploying work for 2026 such as urban renewal, stabilizing the real estate market, and upgrading the construction industry. The renovation of underground pipe networks is a highlight, and it is expected that capital investment will increase slightly next year. In November, the year - on - year growth rate of social retail sales was 1.3%, falling short of expectations and the previous value. Investment in manufacturing, infrastructure, and real estate continued to weaken, while exports remained a significant support [6]. - In asset allocation, the macro - environment is favorable for the precious metals and non - ferrous metals sectors. In the precious metals sector, the logic of gold's rise is clear and it has a high safety margin, while silver has increased volatility risk after a sharp rally. In the non - ferrous metals sector, there are opportunities to buy on dips for commodities with more supply disruptions like copper, aluminum, and tin, and attention should be paid to lithium carbonate with good supply - demand performance. The domestic equity sector should be mainly defensive during the year - end and policy - free window period [6]. 3. Summary by Relevant Catalogs 3.1 Financial Market - **Stock Index Futures**: The CSI 300 futures closed at 4610.6, with a daily increase of 0.344, a weekly increase of 1.85%, a monthly increase of 3.09%, a quarterly decrease of 0.16%, and a year - to - date increase of 11.729%. The Shanghai 50 futures, CSI 500 futures, and CSI 1000 futures also showed different degrees of increase. The market is boosted by dual factors, but continuous offensive still needs to wait. The short - term judgment is a volatile upward trend, and attention should be paid to the situation of incremental funds [2][7]. - **Stock Index Options**: Options are used for covered call writing to increase returns. The short - term judgment is a volatile trend, and attention should be paid to the liquidity of the options market [7]. - **Treasury Bond Futures**: The long - end sentiment is still weak. The short - term judgment is a volatile trend, and attention should be paid to the implementation of monetary policy [7]. - **Foreign Exchange**: The US dollar index was at 97.9535, with a daily change of 0%, a weekly decrease of 0.77%, a monthly decrease of 1.49%, a quarterly increase of 0.13%, and a year - to - date decrease of 9.70%. The euro - US dollar, US dollar - yen, and other exchange rates also had corresponding changes [2]. - **Interest Rates**: The 7 - day inter - bank deposit - based pledge rate was 1.4, with no change on the day, a weekly decrease of 4 bp, a monthly decrease of 10 bp, a quarterly decrease of 5 bp, and a year - to - date decrease of 35 bp. The 10Y Chinese government bond yield, 10Y US Treasury yield, and other interest rates also changed [2]. 3.2 Precious Metals - Gold was at 1008.76, with a daily decrease of 0.58%, a weekly increase of 2.95%, a monthly increase of 5.75%, a quarterly increase of 15.05%, and a year - to - date increase of 63.34%. Silver and other precious metals also had corresponding changes. The short - term judgment is a volatile upward trend, driven by the expectation of loose liquidity and the tight supply of silver in the spot market. Attention should be paid to the US fundamentals, Fed monetary policy, and global equity market trends [2][7]. 3.3 Shipping - The container shipping price on the European line was 1799.7, with a weekly increase of 0.22%, a daily increase of 4.65%, a monthly increase of 22.27%, and a year - to - date decrease of 20.26%. The near - term demand is supported by pre - Spring Festival shipments, and attention should be paid to the resumption of shipping in the far - term. The short - term judgment is a volatile trend, and attention should be paid to the 2026 shipping company's resumption plan, year - end long - term contract signing prices, and the support of pre - Spring Festival cargo owner shipments to prices [2][7]. 3.4 Black Building Materials - **Steel**: The cost support is strong, and the futures price continues to rebound. The short - term judgment is a volatile trend, and attention should be paid to the issuance progress of special bonds, steel exports, and pig iron production [7]. - **Iron Ore**: The shipment and arrival decreased slightly, and port inventories continued to accumulate. The short - term judgment is a volatile trend, and attention should be paid to overseas mine production and shipment, domestic pig iron production, weather conditions, port ore inventory changes, and policy dynamics [7]. - **Coke**: After the third round of price cuts, coke enterprise profits turned negative. The short - term judgment is a volatile trend, and attention should be paid to steel mill production, coking costs, and macro - sentiment [7]. - **Coking Coal**: After the earthquake in Shanxi, the sentiment of going long is high. The short - term judgment is a volatile trend, and attention should be paid to steel mill production, coal mine safety inspections, and macro - sentiment [7]. - **Silicon Iron**: The supply pressure has been alleviated, and the futures price is mainly running at a low level. The short - term judgment is a volatile trend, and attention should be paid to raw material costs and steel procurement [7]. - **Manganese Silicon**: The supply - demand situation remains loose, and the upside space is expected to be limited. The short - term judgment is a volatile trend, and attention should be paid to cost prices and overseas quotes [7]. - **Glass**: The spot market is still weak, and the futures price is volatile. The short - term judgment is a volatile trend, and attention should be paid to spot sales [7]. - **Soda Ash**: The supply - demand situation is still in surplus, and the spot price is under pressure. The short - term judgment is a volatile trend, and attention should be paid to soda ash inventories [7]. 3.5 Non - ferrous Metals and New Materials - **Copper**: Inventories continue to accumulate, and copper prices are oscillating at a high level. The short - term judgment is a volatile upward trend, and attention should be paid to supply disruptions, unexpected domestic policies, the Fed being less dovish than expected, and the recovery of domestic demand falling short of expectations [7]. - **Alumina**: The oversupply situation has not improved significantly, and alumina prices continue to be under pressure. The short - term judgment is a volatile trend, and attention should be paid to the failure of ore production to resume as expected, the over - recovery of electrolytic aluminum production, and extreme sector trends [7]. - **Aluminum**: The Mozal aluminum plant is facing shutdown, and aluminum prices are oscillating at a high level. The short - term judgment is a volatile upward trend, and attention should be paid to macro - risks, supply disruptions, and demand falling short of expectations [7]. - **Zinc**: LME zinc inventories continue to increase, and the upside space for zinc prices is limited. The short - term judgment is a volatile trend, and attention should be paid to the risk of macro - turnarounds and the unexpected recovery of zinc ore supply [7]. - **Lead**: The downstream's willingness to take delivery has improved, and lead prices may stop falling and stabilize. The short - term judgment is a volatile trend, and attention should be paid to supply - side disruptions and the slowdown of battery exports [7]. - **Nickel**: Indonesia plans to significantly reduce the RKAB of nickel ore, and nickel prices have rebounded. The short - term judgment is a volatile trend, and attention should be paid to unexpected macro - and geopolitical changes, Indonesian policy risks, and the failure of supply to be released as expected [7]. - **Stainless Steel**: The rebound of nickel prices has driven the stainless - steel futures price to rise. The short - term judgment is a volatile trend, and attention should be paid to Indonesian policy risks and unexpected demand growth [7]. - **Tin**: The downstream's rigid demand is resilient, and tin prices are oscillating strongly. The short - term judgment is a volatile upward trend, and attention should be paid to the expected复产 in Wa State and changes in demand improvement expectations [7]. - **Industrial Silicon**: Market sentiment fluctuates, and silicon prices have rebounded. The short - term judgment is a volatile trend, and attention should be paid to the unexpected resumption of supply - side production and policy changes [7]. - **Polysilicon**: The expectation of state - reserve purchases is still fermenting, and polysilicon prices continue to be highly volatile. The short - term judgment is a volatile trend, and attention should be paid to the unexpected resumption of supply - side production and domestic photovoltaic policy changes [7]. 3.6 Energy and Chemicals - **Crude Oil**: The geopolitical situation remains unresolved, and oil prices have risen for five consecutive days. The short - term judgment is a volatile trend, and attention should be paid to OPEC+ production policies and geopolitical situations [10]. - **LPG**: The strong - reality situation is facing a loosening, and attention should be paid to the implementation of downstream production cuts. The short - term judgment is a volatile trend, and attention should be paid to cost - side developments such as crude oil and overseas propane [10]. - **Asphalt**: The raw material benefits have been realized, and asphalt futures prices are oscillating widely. The short - term judgment is a volatile downward trend, and attention should be paid to sanctions and supply disruptions [10]. - **High - Sulfur Fuel Oil**: High - sulfur fuel oil futures prices are oscillating widely. The short - term judgment is a volatile downward trend, and attention should be paid to geopolitical situations and crude oil prices [10]. - **Low - Sulfur Fuel Oil**: Low - sulfur fuel oil follows crude oil in oscillation. The short - term judgment is a volatile downward trend, and attention should be paid to crude oil prices [10]. - **Methanol**: The coastal and inland markets are in a stalemate, and methanol is seen as oscillating. The short - term judgment is a volatile trend, and attention should be paid to macro - energy and overseas actual shutdown dynamics [10]. - **Urea**: Both supply and demand are weak, and the futures price is oscillating. The short - term judgment is a volatile trend, and attention should be paid to the coal market and the progress of commercial storage [10]. - **Ethylene Glycol**: Polyester production cuts have dampened market sentiment, and ethylene glycol has entered a low - valuation range again. The short - term judgment is a volatile downward trend, and attention should be paid to coal and oil price fluctuations and port inventory rhythms [10]. - **PX**: Bullish funds continue to bet, and the negative news of polyester production cuts has been quickly digested. The short - term judgment is a volatile upward trend, and attention should be paid to sharp fluctuations in crude oil, macro - abnormalities, and refining and chemical plant disruptions [10]. - **PTA**: Cost and sentiment jointly drive the price, and polyester production cuts have emerged. The short - term judgment is a volatile upward trend, and attention should be paid to sharp fluctuations in crude oil, macro - abnormalities, and insufficient support from downstream polyester loads [10]. - **Short - Fiber**: The pattern of strong upstream and weak downstream is prominent, with serious differentiation and passive profit compression. The short - term judgment is a volatile upward trend, and attention should be paid to the downstream yarn factory's purchasing rhythm and the conversion rhythm between peak and off - peak seasons [10]. - **Bottle Chips**: The cost of upstream raw materials supports the price. The short - term judgment is a volatile upward trend, and attention should be paid to the implementation of bottle - chip enterprise production - cut targets and the commissioning of new plants [10]. - **Propylene**: The spot market is strong, and there is an expectation of a decrease in PDH operating rates. The short - term judgment is a volatile trend, and attention should be paid to oil prices and the domestic macro - situation [10]. - **PP**: The expectation of maintenance boosts the market. The short - term judgment is a volatile trend, and attention should be paid to oil prices and domestic and foreign macro - situations [10]. - **Plastic**: The support of maintenance is limited. The short - term judgment is a volatile trend, and attention should be paid to oil prices and domestic and foreign macro - situations [10]. - **Styrene**: There are constraints on both rising and falling. The short - term judgment is a volatile trend, and attention should be paid to oil prices, macro - policies, and plant dynamics [10]. - **PVC**: Market sentiment is positive, and the short - term futures price is strong. The short - term judgment is a volatile trend, and attention should be paid to expectations, costs, and supply [10]. - **Caustic Soda**: Low - valuation support leads to a rebound at a low level. The short - term judgment is a volatile trend, and attention should be paid to market sentiment, operating rates, and demand [10]. 3.7 Agriculture - **Oils and Fats**: Rapeseed oil was relatively strong yesterday. The short - term judgment is a volatile trend, and attention should be paid to the expected changes in domestic and foreign oil and fat production and demand [10]. - **Protein Meal**: The inventory pressure continues, and the prices of soybean meal and rapeseed meal are oscillating at a low level. The short - term judgment is a volatile trend, and attention should be paid to downstream demand, South American weather, the macro - situation, and Sino - US and Sino - Canadian trade wars [10]. - **Corn/Starch**: Snowy weather has a phased impact on the supply in the production area. The short - term judgment is a volatile downward trend, and attention should be paid to demand, the macro - situation, and weather [10]. - **Pigs**: Both supply and demand are increasing, and pig prices are oscillating widely. The short - term judgment is a volatile downward trend, and attention should be paid to breeding sentiment, epidemics, and policies [10]. - **Natural Rubber**: The price maintains a narrow - range oscillation. The short - term judgment is a volatile trend, and attention should be paid to production - area weather, raw material prices, and macro - changes [10]. - **Synthetic Rubber**: The futures price trend continues to be strong. The short - term judgment is a volatile upward trend, and attention should be paid to sharp fluctuations in crude oil [10]. - **Cotton**: The rebound continues. The short - term judgment is a volatile upward trend, and attention should be paid to production and demand [10]. - **Sugar**: Short - sellers taking profits drives the sugar price to rebound. The short - term judgment is a volatile downward trend, and attention should be paid to imports and Northern Hemisphere production [10]. - **Pulp**: The price is fluctuating in a recent high - level range, and the futures price trend is dominated by funds. The short - term judgment is a volatile upward trend, and attention should be paid to macro - economic changes and fluctuations in US - dollar - denominated quotes [10].

Core Viewpoint - In 2026, China will continue to carry out underground pipeline renovation and comprehensive utility tunnel construction, aiming to complete the renovation of various gas pipelines totaling 30,000 kilometers [1] Group 1 - The Ministry of Housing and Urban-Rural Development has announced ongoing efforts in urban gas pipeline aging updates and renovations [1] - The initiative is part of a broader strategy to enhance urban infrastructure and safety [1]

Core Viewpoint - The company is actively preparing for the significant investment opportunities arising from the government's plan to invest 5 trillion yuan in upgrading 700,000 kilometers of underground pipelines over the next five years [1] Group 1: Company Response to National Policy - The company acknowledges the importance of the national policy direction and is conducting assessments and strategic planning based on its business characteristics and industry trends [1] - The company plans to continuously monitor the implementation of policy details and leverage its accumulated advantages to seize market opportunities [1] - The company commits to timely information disclosure regarding any significant developments related to this national investment initiative [1]

Investment Rating - The industry rating is "Recommended" [5] Core Views - The overseas business continues to show strong growth, with companies like Huaxin Cement and Keda Manufacturing benefiting from this trend. Huaxin Cement reported a net profit of 2.004 billion yuan for Q1-Q3 2025, a year-on-year increase of 76.01% [8] - Domestic demand expectations are rising, and the industry is experiencing price increases due to tariff disturbances and self-discipline in the market. Recommendations include Huaxin Cement and Conch Cement [8] - The waterproofing industry is seeing frequent price increases, indicating a turning point in industry revenue, with recommendations for companies like Oriental Yuhong and Keshun [8] - The special electronic cloth sector is experiencing high demand, with companies like China Jushi and China National Materials Technology benefiting from this trend [8] Summary by Sections Cement Market - National cement prices increased by 1% week-on-week, with price rises concentrated in regions like Jiangsu, Zhejiang, Anhui, Guangdong, Chongqing, and Sichuan, ranging from 10 to 50 yuan/ton [2] - The average price of floating glass decreased by 3.30% to 1202.68 yuan/ton, with a narrowing decline [2][63] - The domestic market for photovoltaic glass is seeing a slight decline in prices, with 2.0mm coated panel prices at 12.5-13 yuan/square meter, down 1.92% [2][73] Real Estate Transactions - In the 44th week, new home transaction area in 30 major cities was 202.66 million square meters, down 40% year-on-year, while second-hand home transactions in 15 monitored cities decreased by 22% [3][22] Investment Recommendations - Recommended companies include Huaxin Cement, Conch Cement, Keda Manufacturing, and others in the special electronic cloth sector like China Jushi and China National Materials Technology [8][9]

Summary of Hangyang Co., Ltd. Conference Call Company Overview - **Company**: Hangyang Co., Ltd. - **Industry**: Gas and Equipment Manufacturing Key Financial Performance - **Revenue**: 114.28 billion CNY for the first three quarters, a year-on-year increase of 10.39% [2][3] - **Net Profit**: 7.57 billion CNY, up 12.14% year-on-year [2][3] - **Operating Cash Flow**: 19.47 billion CNY, a significant increase of 140.03% year-on-year, indicating strong profitability and cash flow [2][3] Margin Analysis - **Manufacturing Gross Margin**: Decreased by 0.9 percentage points in Q3 2025 [4] - **Gas Business Gross Margin**: Increased by 2.5 percentage points year-on-year, with an overall average gross margin increase of 1.64 percentage points [4] - **Liquid Nitrogen and Liquid Argon Prices**: Prices increased year-on-year but showed a cumulative decline, contributing to the gas business margin improvement [7] Strategic Developments - **Helium Business**: Collaboration with the Amur project in Russia is expected to yield an annual helium output of 1.5 to 2 million cubic meters, with further cooperation being sought [2][8] - **Nuclear Fusion Sector**: Hangyang is providing key equipment such as turbines and valves, having won multiple bids and established a public relations team to promote development [2][9][10] - **New Orders**: As of September 2025, new orders reached 80% of last year's total, primarily from coal chemical projects in the western region [2][12] Market Expansion - **Overseas Market**: Revenue from overseas markets was approximately 300 million CNY in Q3, with a focus on expanding into Southeast Asia [6][23] - **Future Order Goals**: Targeting 60 billion CNY in new orders for 2026, with an increased focus on international markets [4][24] Challenges and Opportunities - **Domestic Market**: Limited new projects in steel and chemical industries may impact growth; however, low-carbon and underground pipeline renovation opportunities are being explored [22][24] - **Retail Gas Pricing**: Retail gas prices are stabilizing but face downward pressure, particularly on argon and oxygen prices [25] Conclusion Hangyang Co., Ltd. is demonstrating solid financial performance with growth in revenue and net profit, while strategically expanding its gas and equipment offerings in both domestic and international markets. The company is focusing on enhancing its product development in the nuclear fusion sector and exploring new opportunities in the helium market. However, challenges in the domestic market and pricing pressures in retail gas remain areas to monitor.

Investment Rating - The industry rating is "Recommended" [4] Core Views - The "14th Five-Year Plan" emphasizes urban renewal and underground pipeline renovation, with an expected investment demand exceeding 5 trillion yuan for over 700,000 kilometers of pipeline construction [6] - The report highlights the impact of renewed tariff conflicts and the acceleration of industry self-discipline, recommending companies with strong pricing power and cost advantages in the cement and waterproof sectors [6] - The report notes that the special electronic fabric sector is experiencing high demand, with companies like China Jushi and China National Materials Technology benefiting from this trend [7] Summary by Sections Investment Suggestions - Recommended companies benefiting from urban pipeline renovation include Qinglong Pipe Industry, Donghong Co., and China Liansu [6] - In the cement sector, companies like Huaxin Cement and Conch Cement are recommended due to their cost and scale advantages amid tariff conflicts [6] - The waterproof industry is seeing frequent price increases, with recommendations for Oriental Yuhong and Keshun Co. [6] - In the photovoltaic glass sector, companies such as Qibin Group, Fuyao Glass, and Xinyi Solar are recommended due to price increases [6] - The report suggests strong resilience in operations for companies like Sanhe Tree and high dividend yield firms like Rabbit Baby and Weixing New Materials [6] - The fire alarm leader Qingniao Fire is recommended due to its upcoming commercialization of fire-fighting robots [7] - The report highlights the strong performance of special electronic fabrics, recommending China Jushi and China National Materials Technology [9] Market Trends - The national cement market price increased by 0.4% week-on-week, with price rises in regions like Guizhou and Jiangsu [22][23] - The average price of float glass decreased by 4.40% to 1243.68 yuan/ton, indicating a shift from an upward trend to a decline [64] - The photovoltaic glass market remains stable, with mainstream order prices for 2.0mm coated panels at around 13 yuan/square meter [72]

Investment Rating - Industry Rating: Outperform the market (maintained rating) [4] Core Views - The construction materials sector has shown a 1.85% increase this week, underperforming the Shanghai Composite Index which rose by 3.24%, indicating a 1.4 percentage point lag [2][9] - The report highlights the significant potential for investment and consumption driven by urban renewal and underground pipeline construction, with an expected investment demand exceeding 5 trillion yuan during the 14th Five-Year Plan period [2] - The report suggests that low-valued consumer building materials, particularly pipes and coatings, are likely to benefit from these initiatives, with a recommendation to focus on leading companies in this sector [2] - The report emphasizes the importance of urban renewal, which includes the renovation of old residential areas and the establishment of safety management systems for buildings, indicating a robust demand for construction materials [2] - The report also recommends monitoring high-end electronic fabrics, African cement, and fiberglass products with price increase expectations [2] Summary by Sections Market Review - The construction materials sector has underperformed the broader market, with notable gains in sub-sectors such as other structural materials and specialized materials [9] - Key stocks that performed well include Fashilong (30.6%), Sifangda (18.3%), and Ruitai Technology (16.3%) [9] Recommended Stocks - The report recommends a focus on the following stocks: Western Cement, Huaxin Cement, Keda Manufacturing, China National Materials, Honghe Technology, China Jushi, Sankeshu, and Dongpeng Holdings [3][15]

Core Viewpoint - China Lesso (2128.HK), a leading company in the pipe industry, experienced a significant stock price increase, rising by 9.78% to HKD 4.94, outperforming the market with a year-to-date gain of over 51% compared to the Hang Seng Index's 30% increase [1] Group 1: Company Performance - The stock price of China Lesso broke through the 5-day, 10-day, 20-day, 30-day, and 60-day moving averages in a single day [1] - The company has effectively controlled financial costs while adjusting its overall debt structure, exceeding expectations in the first half of the year [1] Group 2: Market Opportunities - The National Development and Reform Commission announced plans to construct and renovate over 700,000 kilometers of underground pipelines during the 14th Five-Year Plan, with an expected investment demand exceeding CNY 5 trillion [1] - Citigroup indicated that if the company continues to dispose of assets to reduce its net debt ratio and if any infrastructure stimulus plans are launched in the mainland, the stock could rebound significantly [1] - Huatai Securities expects the company's market share to further increase, maintaining a "buy" rating and raising the target price from HKD 5.89 to HKD 6.35 [1]

Investment Rating - The report maintains a "Positive" investment rating for the building materials industry [14] Core Insights - The building materials sector has entered a stock era, with increasing demand for renovation driven by urban renewal, which focuses on public domain renovations alongside home decoration [4][20] - Since the central government's deployment of urban renewal in 2019, the demand for urban renewal has steadily increased, with certain categories like exterior wall coatings and waterproofing seeing their share rise to approximately 30% [4][9] Summary by Sections Urban Renewal Overview - Urban renewal is a necessary redevelopment process for cities at a certain stage of development, focusing on the integration and renovation of outdated residential areas, old commercial zones, and villages within cities to meet modern needs [8][20] - The current trend in urban renewal is shifting from extensive demolition to comprehensive remediation, leading to larger scales of renovation and more refined demand for building materials [8][20] Demand Analysis - In 2024, the total demand area is estimated at approximately 4.55 billion square meters, with old residential area renovations accounting for about 1.11 billion square meters and village renovations about 0.14 billion square meters, making urban renewal's share of the total area around 28% [9][44] - By 2025, under a neutral assumption, the area for old residential renovations is projected to be 1.16 billion square meters, with urban renewal's share potentially reaching 32% [9][44] Old Residential Area Renovation - The renovation of old residential areas has exceeded initial targets, with nearly 280,000 projects completed from 2019 to 2024, benefiting approximately 120 million residents [10][42] - The primary building materials involved in these renovations include exterior wall coatings, waterproofing, and insulation [10][44] Village Renovation - The scope of village renovations is expanding, with 1,863 projects implemented in 2024, benefiting 1.367 million households [11] - The government plans to continue expanding the scale of renovations, with an additional 1 million units expected to be implemented [11] Underground Pipeline Renovation - Policies for urban pipeline renovations are intensifying, with a target of over 100,000 kilometers of underground pipelines to be renovated annually [12] - The total investment demand for pipeline renovations is estimated at around 4 trillion yuan, with an annual average of 1.2 trillion yuan [12]