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央行购金狂潮托底!高盛重申黄金4900美元目标价
Jin Shi Shu Ju· 2025-11-18 03:33
AI播客:换个方式听新闻 下载mp3 音频由扣子空间生成 黄金价格近期出现回调,引发市场对这一贵金属今年强劲涨势是否已接近尾声的质疑。 4000美元下方似乎有抄底资金支撑,但黄金过去一个月仍累计下跌7.4%。这一表现虽难以让人安心, 但高盛近期重新评估了2026年黄金价格前景,并指出一个可能决定金价下一步走势的关键催化剂。 2025年黄金大涨的背后:收益率下跌+美元走弱 从GDP增长数据来看,美国经济表现良好;然而,失业率上升与通胀反弹等明显问题已显现,将美联储 置于两难境地。 薪资处理公司ADP数据显示,美国就业市场新增岗位数量低于2024年水平。企业裁员人数激增,失业率 升至2021年以来最高水平。与此同时,美国总统特朗普的关税策略推高了进口成本,可能导致通胀上 升。 美国劳工统计局8月报告显示,失业率从7月的3.4%升至4.3%。Challenger, Gray & Christmas的数据显 示,截至10月,美国雇主今年已宣布裁员110万人,较2024年同期增长44%。 求职网站Resume.org的一项研究显示,2025年有40%的公司进行了裁员,60%的公司预计2026年将削减 员工。 与此同时, ...
高盛:全球央行购金势头加速 金价2026年底有望升至4900美元
Zhi Tong Cai Jing· 2025-11-17 22:36
过去三年,央行增持已成为推动金价飙升的关键动力。现货金价今年曾在10月突破每盎司4380美元的历 史高位,尽管近几周有所回落,截至本周一仍约报4068美元,年内累计上涨达55%。推动因素包括全球 经济及地缘政治不确定性升温、黄金ETF流入增加,以及市场押注美联储进一步降息。 高盛在报告中强调,央行"持续且高企"的购金行为将是未来数年黄金市场的核心支撑力量。该行维持此 前预测,即2024年第四季度至2026年,全球央行平均每月净购金将维持在约80吨水平。 智通财经APP获悉,高盛集团最新报告显示,在夏季购金淡季结束后,全球央行正重新加速买入黄金, 中国央行在9月向外汇储备新增约15吨黄金,推动全球官方部门当月购金规模大幅回升。 根据高盛分析师Lina Thomas等人的估算,全球央行9月合计购金约64吨,较8月的21吨增加逾三倍。该 行指出,强劲的购金势头很可能延续至11月,反映出央行持续多元化储备、对冲地缘政治及金融风险的 长期趋势。 高盛表示,随着央行购金态势延续、投资需求增强,以及美联储货币政策转向宽松,黄金在未来几年将 继续作为全球金融体系中的关键避险资产保持强势。 在此背景下,高盛重申金价将在2026 ...
黄金站历史高位吵翻了!看多喊冲2600、看空喊跌2200,谁靠谱?
Sou Hu Cai Jing· 2025-11-17 06:09
前言 最近刷财经新闻的朋友,估计都被黄金"秀"到了! 一路蹭蹭往上涨,还屡次刷新历史高点,关键它不是那种几天就凉的短线暴涨,而是稳稳站在高位。 有人纳闷,这金疙瘩咋突然就成了香饽饽? 其实真不是突然,是好几条硬逻辑凑一块,再加上最新的市场动态,才把金价抬到现在这位置。 咱们今天就看看这波黄金上涨到底靠啥,普通人该咋看。 利率+央行,双撑金价 说句实在话,过去两年黄金根本没这待遇。 那时候美国一个劲儿加息,真实利率飙得老高,大家拿着国债、货币基金就能躺赚无风险收益,谁还会 瞧得上不生息的黄金? 但现在风向彻底变了。 截至2025年5月,美联储点阵图明明白白显示,市场普遍预期今年会有2-3次降息。 这意味着啥?真实利率要往下走,持有黄金的"机会成本"直接降低。 以前放着钱能赚利息,现在利息少了,黄金的吸引力自然就上来了。 更关键的是,还有央行在背后"托底"。 | 排名 | 30 53 | 2025年黄金储备面 | | --- | --- | --- | | 1 | 美 国 国 | 8133.5 吨 | | 2 | 德 ■■ | 3351.5 吨 | | 3 | 意大利 | 2451.8 吨 | | 4 | 国 [ ...
11月14日金市晚评:黄金决战4150-4250关键区 警惕获利了结冲击
Jin Tou Wang· 2025-11-14 11:00
Core Viewpoint - The gold price remains resilient despite the easing of negative factors such as the U.S. government's resumption of trade negotiations, with current trading around $4,171.89 per ounce, showing a slight increase of 0.03% [1][2]. Market Analysis - The U.S. government's resumption of operations and Trump's proposed tariff exemptions have significantly reduced risk aversion, weakening the support for gold as a safe-haven asset [2]. - The market's expectation of a potential interest rate cut has increased, with an 80% probability currently priced in, yet hawkish comments from Federal Reserve officials continue to suppress these expectations [2][3]. - The previous concerns regarding a "government shutdown" have been alleviated, leading to a decrease in geopolitical risk demand for gold [3]. Technical Analysis - Gold prices have shown strong performance, rising for four consecutive days, despite various negative factors, indicating unusual resilience [4]. - The current price range of $4,150 to $4,250 is critical, with market participants being cautious about chasing higher prices [7]. - If selling pressure emerges, gold could test support levels around $4,140 to $4,150, with a potential drop to the $4,000 mark if these levels are breached [7][8]. Future Outlook - There is a possibility of profit-taking in the coming days or weeks, which could lead to downward pressure on gold prices [5]. - If the upward momentum continues and resistance levels are broken, targets of $4,300 and $4,400 could be reached, potentially marking new historical highs for gold [8].
贵金属有色金属产业日报-20251112
Dong Ya Qi Huo· 2025-11-12 11:27
Report Industry Investment Rating No relevant content provided. Core Views of the Report - In the medium - to long - term, central bank gold purchases and growing investment demand will push up the price of precious metals [3]. - The potential end of the US government shutdown and the weakening labor market indicators have increased the market's expectation of a December interest rate cut, weakening the US dollar index and boosting copper prices. Meanwhile, the average price in the domestic spot market has risen, and the premium has slowed [12]. - For aluminum, funds are the core factor affecting prices. There is a contradiction between funds and the industry, and the upward trend of Shanghai aluminum depends on continuous fund inflows. For alumina, it is still in an oversupply situation [32]. - In November, due to intense competition for zinc ore in the smelting sector and a decrease in TC, the willingness to reduce or halt production has increased. If demand remains stable, there is a possibility of inventory reduction, and zinc prices are expected to have upward momentum [56]. - For the nickel industry chain, weak demand in the off - season suppresses the upward space. The price of nickel ore may remain strong in the short term, while nickel iron prices have been decreasing, and stainless steel faces pressure [72]. - For tin, supply is weaker than demand due to limited resumption of production in Wa State and a sharp decline in concentrate imports. Shanghai tin will maintain high - level volatility, but there is a risk of price decline [87]. - For lithium carbonate, it is currently in a state of being prone to rise but difficult to fall, maintaining a strong - side oscillation, but there is a risk of correction [103]. - For the silicon industry chain, the overall supply - demand pattern of industrial silicon and the polysilicon industry chain is weak, and they are expected to show wide - range oscillations [114]. Summary by Related Catalogs Precious Metals - Price trends: Presented data on SHFE and COMEX gold and silver futures prices, as well as price - to - ratio relationships [4][10]. - Price differences: Showed SHFE and SGX gold and silver futures - spot price differences [5][7]. - Correlation: Illustrated the relationship between gold and US Treasury real interest rates and the US dollar index [8][9]. - Fund positions: Displayed the positions of gold and silver long - term funds [10]. - Inventory: Showed SHFE and COMEX gold and silver inventories [11]. Copper - Futures data: Provided data on copper futures prices, including Shanghai and London copper, with details such as the latest price, daily change, and daily change rate [13]. - Spot data: Presented copper spot prices and premium data from different regions, as well as import profit and loss and processing fee data [17][23]. - Scrap price difference: Gave the difference between refined and scrap copper prices [27]. - Warehouse receipts: Showed the quantity and change of copper warehouse receipts in the Shanghai Futures Exchange and international markets [28][30]. Aluminum and Alumina - Price data: Provided price data for aluminum, alumina, and aluminum alloy futures, including the latest price, daily change, and daily change rate [34]. - Price difference: Showed the price differences between different contracts of aluminum, alumina, and aluminum alloy [36][38]. - Spot data: Presented aluminum spot prices, basis, and price differences in different regions, as well as alumina basis data [42][44]. - Inventory: Showed the inventory data of aluminum and alumina futures, including Shanghai and London inventory changes [50]. Zinc - Price data: Provided zinc futures price data, including Shanghai and LME zinc, with details such as the latest price, daily change, and daily change rate [57]. - Spot data: Presented zinc spot prices and premium data, as well as LME zinc premium data [65]. - Inventory: Showed the inventory data of zinc futures, including Shanghai and LME inventory changes [69]. Nickel Industry Chain - Price data: Provided price data for nickel and stainless steel futures, including the latest price, change, and change rate, as well as trading volume, open interest, and warehouse receipt data [73]. - Downstream profit: Showed the profit data of downstream products in the nickel industry chain, such as the profit rate of producing nickel sulfate and stainless steel [82][84]. Tin - Futures data: Provided tin futures price data, including Shanghai and LME tin, with details such as the latest price, daily change, and daily change rate [88]. - Spot data: Presented tin spot prices and premium data, as well as the price data of tin - related products [93]. - Inventory: Showed the inventory data of tin futures, including Shanghai and LME inventory changes [98]. Lithium Carbonate - Futures price: Provided the price data of lithium carbonate futures, including the latest price, daily change, and weekly change, as well as the price difference between different contracts [104][106]. - Spot data: Presented lithium spot prices, including the prices of different types of lithium products and their price differences [108]. - Inventory: Showed the inventory data of lithium carbonate, including exchange inventory, social inventory, and inventory in different sectors [112]. Silicon Industry Chain - Industrial silicon: Presented industrial silicon spot prices, basis, and price differences, as well as futures price data and price differences between different contracts [115][116]. - Polysilicon and related products: Showed the price data of polysilicon, silicon wafers, battery cells, components, and other products in the silicon industry chain [123][125]. - Production and inventory: Displayed the production, inventory, and cost data of industrial silicon and polysilicon, as well as the production capacity and output data of silicon wafers [130][134].
金价,爆了!最新预测:或将触及这个价格→
Sou Hu Cai Jing· 2025-11-11 14:55
Core Viewpoint - International gold prices continue to rise, with spot gold surpassing $4,140 per ounce, marking an increase of over 3% this week [1][3]. Price Movements - Domestic gold jewelry prices have significantly increased by nearly 30 CNY per gram compared to yesterday, with some prices exceeding 1,300 CNY per gram, reaching new highs [3][5]. - Specific prices for gold jewelry include: Chow Tai Fook, Chow Sang Sang, and Chow Tai Sheng at 1,308 CNY per gram, while Lao Feng Xiang and Lao Miao gold jewelry are priced at 1,310 CNY per gram [5]. Market Dynamics - The high gold prices, combined with tax impacts, are expected to negatively affect gold sales. However, the demand for gold buying and exchanging services is anticipated to increase [9]. - A local gold shop owner noted a rise in customers exchanging old jewelry for new pieces, indicating a shift in consumer behavior due to high gold prices [11][12]. Future Outlook - Since reaching a historical high of $4,380 per ounce in mid-October, gold has decreased by approximately 6%, but it has still risen over 56% this year. Factors driving the recent price increase include a weaker dollar and geopolitical tensions [14]. - Analysts from China International Capital Corporation (CICC) predict that gold prices may continue to rise next year, supported by central bank purchases in emerging markets and potential economic pressures in the U.S. [14]. - Alex Wolf from JPMorgan forecasts that gold prices could reach $5,200 to $5,300 by the end of 2026, driven by central bank demand, particularly from countries like China, Poland, Turkey, and Kazakhstan [16]. - The People's Bank of China reported an increase in gold reserves to 74.09 million ounces as of the end of October, marking the 12th consecutive month of gold accumulation [18]. - The World Gold Council's report indicates that global central banks accelerated gold purchases in Q3, with a net purchase of 220 tons, a 28% increase from Q2 and a 10% year-on-year rise [18].
贵金属有色金属产业日报-20251111
Dong Ya Qi Huo· 2025-11-11 10:02
1. Report Industry Investment Rating No relevant content provided in the report. 2. Core Views of the Report - **Precious Metals**: In the medium - to long - term, central bank gold purchases and growing investment demand will push up the price of precious metals, but in the short - term (November), there is no strong driving force, and the market is in an adjustment phase [3]. - **Copper**: The spot market's purchasing sentiment is high, and the average price of 1 electrolytic copper is 86,535 yuan/ton with an expanding premium. However, when the price breaks through 86,000 yuan/ton, downstream counter - offer willingness increases. Whether the copper price can break through the trading - intensive area remains to be seen [12]. - **Aluminum**: Funds are the core factor affecting aluminum prices. There is a contradiction between funds and the industry. For alumina, it is on an over - supply path despite some price increases due to environmental restrictions [33]. - **Zinc**: In November, the TC dropped significantly due to intense competition for mines and limited domestic mine increments. There is a possibility of inventory reduction, and low inventory supports the price. There is some upward driving force in November, and export and macro factors need to be monitored [58]. - **Nickel**: Weak demand in the off - season suppresses the upward space. The Philippines' nickel mine production and shipment are affected by the rainy season and typhoons, and the price may remain strong in the short - term. Nickel iron prices are falling, and stainless - steel demand needs attention [74]. - **Tin**: Supply is weaker than demand due to limited resumption in Wabang and reduced concentrate imports. The Shanghai tin price will maintain a high - level shock, with a predicted support at around 276,000 yuan. There is a risk of price decline due to potential inventory accumulation [89]. - **Lithium Carbonate**: The supply increment is stable, and demand is strong in November. The market sentiment is positive. Technically, it is easy to rise and difficult to fall, maintaining a shock - upward trend [104]. - **Silicon**: The supply - demand pattern of industrial silicon and the polysilicon industry chain is weak, and both are expected to have wide - range fluctuations. Attention should be paid to market sentiment and policies [116]. 3. Summary by Relevant Catalogs Precious Metals - **Price Outlook**: Medium - to long - term upward trend, short - term adjustment in November [3]. - **Price Data**: SHFE gold and silver futures prices, COMEX gold and silver prices, and their ratios are presented in the report [4]. - **Spread Data**: SHFE and SGX gold and silver futures - spot spreads are shown [5][7]. - **Inventory Data**: SHFE and COMEX gold and silver inventories are provided [11]. Copper - **Spot Market**: High purchasing sentiment, average 1 electrolytic copper price at 86,535 yuan/ton, and expanding premium [12]. - **Futures Data**: The latest prices, daily changes, and daily change rates of Shanghai and London copper futures are given. For example, the latest price of Shanghai copper's main contract is 86,630 yuan/ton, with a daily increase of 0.17% [13]. - **Spot Data**: The latest prices, daily changes, and daily change rates of various domestic copper spot prices and premiums are presented [19][21]. - **Import and Processing**: Copper import profit is - 585.37 yuan/ton, and copper concentrate TC is - 42 dollars/ton [24]. - **Scrap - to - Refined Spread**: The current refined - scrap spread (tax - included) is 3,393.51 yuan/ton, with a daily increase of 13.58% [28]. - **Warehouse Receipts and Inventory**: Shanghai copper's total warehouse receipts are 42,964 tons, a decrease of 1.88% [29]. Aluminum - **Aluminum**: Funds drive the price, but there is a contradiction with the industry. Domestic supply is stable, and demand is weak [33]. - **Alumina**: Some price increases due to environmental restrictions, but overall in an over - supply situation [33]. - **Price Data**: The latest prices, daily changes, and daily change rates of Shanghai and London aluminum futures, alumina futures, and aluminum alloy futures are provided [35]. - **Spread Data**: Various spreads between different contracts of aluminum and alumina are presented [37][39]. - **Spot Data**: The latest prices, daily changes, and daily change rates of domestic and international aluminum spot prices and premiums are given [43]. - **Inventory Data**: Shanghai and London aluminum warehouse receipts and inventories, as well as alumina warehouse receipts, are reported [52]. Zinc - **Market Outlook**: TC dropped in November, and there is a possibility of inventory reduction. Low inventory supports the price, and there is upward driving force [58]. - **Price Data**: The latest prices, daily changes, and daily change rates of Shanghai and London zinc futures are provided [59]. - **Spot Data**: The latest prices, daily changes, and daily change rates of domestic and international zinc spot prices and premiums are presented [67]. - **Inventory Data**: Shanghai and London zinc warehouse receipts and inventories are reported [71]. Nickel - **Market Situation**: Weak demand in the off - season, affected by macro factors. Nickel mine prices may be strong, and nickel iron and stainless - steel demand need attention [74]. - **Price and Volume Data**: The latest prices, trading volumes, open interests, and warehouse receipt numbers of Shanghai and London nickel futures, as well as stainless - steel futures, are given [75]. Tin - **Market Outlook**: Supply is weaker than demand, and the price will maintain a high - level shock. There is a risk of price decline due to potential inventory accumulation [89]. - **Price Data**: The latest prices, daily changes, and daily change rates of Shanghai and London tin futures are provided [90]. - **Spot Data**: The latest prices, daily changes, and daily change rates of various tin spot products are presented [95]. - **Inventory Data**: Shanghai tin's warehouse receipts and London tin's inventory are reported [99]. Lithium Carbonate - **Market Outlook**: Supply is stable, demand is strong, and it is in a shock - upward trend [104]. - **Price Data**: The latest prices, daily changes, and weekly changes of lithium carbonate futures contracts are given [105]. - **Spot Data**: The latest prices, daily changes, and weekly changes of various lithium - related spot products, as well as their price differences, are presented [110]. - **Inventory Data**: The latest numbers, daily and weekly changes of Guangzhou Futures Exchange's lithium carbonate warehouse receipts and various social inventories are reported [114]. Silicon - **Market Outlook**: The supply - demand pattern of industrial silicon and the polysilicon industry chain is weak, with wide - range fluctuations expected [116]. - **Price Data**: The latest prices, daily changes, and daily change rates of industrial silicon spot and futures are provided [116]. - **Industry Chain Price**: The prices of polysilicon, silicon wafers, battery cells, components, and other products in the silicon industry chain are presented [123][124][125]. - **Production and Inventory**: The weekly production, inventory, and cost data of industrial silicon in Xinjiang and Yunnan, as well as the polysilicon inventory, are reported [130][134][143].
周大福、周大生收缩关店
Group 1: Gold Investment Trends - Domestic gold ETF holdings increased significantly, reaching 193.749 tons by the end of September 2025, a year-on-year growth of 164.03% compared to 79.015 tons in the same period of 2024 [1] - The Shanghai Gold Exchange reported a total trading volume of 23.76 thousand tons for all gold products in the first three quarters of 2025, a year-on-year increase of 2.45%, with a trading value of 35.35 trillion yuan, up 41.55% [3] - Global gold demand reached a record high of 1313 tons in the third quarter of 2025, driven by strong investment demand, particularly in gold ETFs and central bank purchases [7][8] Group 2: Gold Consumption and Retail Challenges - Gold consumption in China declined by 7.95% year-on-year in the first three quarters of 2025, totaling 682.730 tons, with jewelry consumption dropping by 32.50% [3] - Major retail chains like Chow Tai Fook closed 905 stores in 2025, averaging 2.5 closures per day, marking a significant reduction from previous years of expansion [4] - The retail environment for gold jewelry is challenging, with companies like Chow Sang Sang reporting a net decrease of 560 stores, primarily in franchise locations, due to reduced consumer spending [5] Group 3: Central Bank Gold Reserves - As of October 2025, gold accounted for 30% of global central bank reserves, up from 24% in June, while the dollar's share decreased from 43% to 40% [7] - Central banks globally purchased 220 tons of gold in the third quarter of 2025, with total purchases for the year expected to exceed 1000 tons, continuing a strong trend from previous years [8] - Emerging markets are leading the gold buying trend, with countries like Poland and Turkey significantly increasing their gold reserves [8]
金价“狂飙”背后:深度剖析暴涨原因、投资时机与未来走向
Sou Hu Cai Jing· 2025-11-10 09:44
Group 1 - The recent surge in gold prices is attributed to multiple factors, including increased global economic uncertainty, rising geopolitical risks, and heightened market risk aversion, leading to a significant influx of funds into the gold market [3] - The fluctuation of the US dollar and expectations of interest rate cuts by the Federal Reserve have made gold more attractive as an investment, further driving up its price [3] - Central banks around the world are steadily increasing their gold reserves, providing strong support for gold prices from the demand side [3] - There has been a noticeable net inflow of funds into gold ETFs, indicating a recovery in institutional investor confidence towards gold [3] Group 2 - For long-term investors, gold plays a crucial role in risk diversification within asset allocation, and it is advisable to consider gradual investments during price dips to achieve stable asset appreciation [4] - Short-term speculators should exercise caution as gold prices are currently at relatively high levels, and market volatility may increase, necessitating careful stop-loss strategies [4] Group 3 - There are two prevailing viewpoints regarding the future trajectory of gold prices: the optimistic perspective suggests that ongoing global economic uncertainty and central bank purchasing trends will sustain demand for gold, allowing for further price increases [5] - The cautious perspective warns that gold prices may have already priced in most favorable factors, and a strengthening dollar or improved market sentiment could lead to a withdrawal of funds from the gold market, resulting in potential price corrections [5] - Overall, while the long-term allocation value of gold remains, short-term volatility is expected, and investors should maintain a rational approach to avoid impulsive trading decisions [5] Group 4 - Investors interested in gold can participate through various means, including physical gold (such as bars and coins), which is suitable for long-term holding and has preservation and collectible value [6] - Other options include paper gold or gold ETFs, which offer convenience and liquidity, as well as gold stocks and funds that are influenced by individual stock and market factors, requiring investors to possess market analysis skills and risk tolerance [7]
贵金属日评:美国就业表现趋弱支撑贵金属价格-20251110
Hong Yuan Qi Huo· 2025-11-10 05:51
1. Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. 2. Core View of the Report - The weak employment performance in the US supports the prices of precious metals. The high number of job cuts in US challenger enterprises in October and the decrease in non - farm employment private data have increased the probability of the Fed cutting interest rates in December. Additionally, factors such as geopolitical risks, expansion of fiscal deficits in many countries, and continuous gold purchases by central banks around the world may support precious metal prices [1]. 3. Summary by Related Catalogs 3.1 Market Data - **Shanghai Gold**: The closing price was 917.51 yuan/g, with a change of 0.13 yuan compared to the previous day and - 2.56 yuan compared to the previous week. The trading volume was 37,088, and the position was 255,562 [1]. - **Shanghai Silver**: The closing price was 38 yuan/10g, the trading volume was 460,064, and the position was 4,303,142 [1]. - **COMEX Gold Futures**: The closing price was 3,984.80 dollars/ounce, the trading volume was 183,645, and the position was 311,506. The inventory was 37,847,208.99 troy ounces [1]. - **London Gold Spot**: The price was 3,994.10 dollars/ounce [1]. - **COMEX Silver Futures**: The closing price was 48.23 dollars/ounce, the trading volume was 11,217, and the position was 102,295. The inventory was 483,133,331.10 troy ounces [1]. - **London Silver Spot**: The price was 48.70 dollars/ounce [1]. 3.2 Important Information - The US Treasury will auction 125 billion dollars in Treasury bonds this week, along with about 40 billion dollars in corporate bonds, posing a severe test to market liquidity. The US Bureau of Labor Statistics has postponed the release of the CPI report and suspended offline data collection [1]. 3.3 Long - Short Logic - The high number of job cuts in US challenger enterprises in October and the decrease in non - farm employment private data have increased the probability of the Fed cutting interest rates in December. The Fed provides liquidity to the inter - bank market through the Standing Repurchase Facility (SRF). Geopolitical risks in Russia - Ukraine, the Middle East, and US - Venezuela remain unresolved, and many central banks around the world are continuously buying gold, which may support precious metal prices [1]. 3.4 Trading Strategy - The strategy is to mainly lay out long positions when prices fall. For London gold, pay attention to the support level around 3,580 - 3,860 dollars/ounce and the resistance level around 4,180 - 4,384 dollars/ounce; for Shanghai gold, the support level is around 830 - 860 yuan/g and the resistance level is around 950 - 1,000 yuan/g. For London silver, the support level is around 39 - 42 dollars/ounce and the resistance level is around 50 - 55 dollars/ounce; for Shanghai silver, the support level is around 9,400 - 10,000 yuan/kg and the resistance level is around 11,600 - 12,400 yuan/kg [1].