证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交5002.71万元，其中，买入成交额为 3031.59万元，卖出成交额为1971.12万元，合计净买入1060.48万元。 北矿检测（920160）今日上涨6.84%，全天换手率22.68%，成交额1.49亿元，振幅8.37%。龙虎榜数据显 示，机构净买入258.43万元，营业部席位合计净买入802.05万元。 北交所公开信息显示，当日该股因日换手率达22.68%上榜，机构专用席位净买入258.43万元。 近半年该股累计上榜龙虎榜6次，上榜次日股价平均跌1.76%，上榜后5日平均跌0.98%。（数据宝） 北矿检测12月1日交易公开信息 | 买/卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 国金证券股份有限公司深圳分公司 | 1393.00 | 5.13 | | 买二 | 国信证券股份有限公司深圳红岭中路证券营业部 | 624.27 | 113.83 | | 买三 | 机构专用 | 389.78 | 131.36 | | 买四 | 国信证券股份有限公司北京分公司 | ...

Core Viewpoint - Beikong Testing (920160) experienced a 2.26% increase in stock price with a turnover rate of 24.41% and a trading volume of 156 million yuan, indicating significant trading activity and interest in the stock [2] Trading Activity Summary - The stock was listed on the trading board due to a turnover rate of 24.41%, with a net buying amount of 16.538 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total trading volume of 40.8009 million yuan, with a buying amount of 28.6694 million yuan and a selling amount of 12.1315 million yuan, resulting in a net buying of 16.538 million yuan [2] - The largest buying brokerage was Huachuang Securities with a purchase amount of 7.3854 million yuan, while the largest selling brokerage was Guojin Securities with a selling amount of 3.0100 million yuan [2] Historical Performance - Over the past six months, the stock has appeared on the trading board five times, with an average price drop of 2.30% the day after being listed and an average decline of 3.74% over the following five days [2]

Core Viewpoint - Beikong Testing (920160) experienced a significant decline of 6.74% in its stock price, with a trading volume turnover rate of 28.87% and a total transaction amount of 180 million yuan on the day of reporting [2] Trading Activity Summary - The stock was listed on the trading board due to its turnover rate reaching 28.87%, with a net selling amount of 1.4817 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction amount of 28.4078 million yuan, with a buying amount of 13.463 million yuan and a selling amount of 14.9447 million yuan, resulting in a net selling of 1.4817 million yuan [2] - The largest buying brokerage was Shenwan Hongyuan Securities Co., Ltd. with a purchase amount of 4.0168 million yuan, while the largest selling brokerage was Dongfang Caifu Securities Co., Ltd. with a selling amount of 3.3027 million yuan [2] Detailed Brokerage Activity - The top five buying and selling brokerages are as follows: - Buy One: Shenwan Hongyuan Securities Co., Ltd. - 4.0168 million yuan - Buy Two: Shanghai Securities Co., Ltd. - 3.3345 million yuan - Buy Three: Dongfang Caifu Securities Co., Ltd. - 2.1385 million yuan - Sell One: Dongfang Caifu Securities Co., Ltd. - 3.3027 million yuan - Sell Two: Guojin Securities Co., Ltd. - 0.0969 million yuan [2]

Market Overview - On November 24, the total trading volume of individual stocks on the Beijing Stock Exchange reached 603 million shares, with a total transaction value of 12.81 billion yuan, a decrease of 5.44 billion yuan compared to the previous trading day [1] - Among the tradable stocks, 220 stocks closed higher, accounting for 77.74% of the total, with notable gainers including Tietuo Machinery, Guoyi Bidding, and Meideng Technology, which rose by 18.20%, 8.61%, and 8.21% respectively [1][2] - Conversely, 56 stocks closed lower, with Dapeng Industrial hitting the daily limit down, and the largest declines seen in Beikang Testing, Hanwei Technology, and Litong Technology, which fell by 6.74%, 5.72%, and 5.71% respectively [1] Trading Activity - A total of 32 stocks had transaction values exceeding 10 million yuan, with Meideng Technology, Tietuo Machinery, and Haixi Communications leading at 329 million yuan, 326 million yuan, and 275 million yuan respectively [1] - In terms of trading activity, 8 stocks had a turnover rate exceeding 10%, with 3 stocks exceeding 20%. Additionally, 33 stocks had turnover rates between 5% and 10%, while 210 stocks had turnover rates between 1% and 5% [1] Notable Stocks - The top three stocks by turnover rate were Tietuo Machinery at 28.89%, Beikang Testing at 28.87%, and Meideng Technology at 26.85% [1] - The closing prices and performance of selected stocks included: - Meideng Technology: Closing price 70.55 yuan, up 8.21%, turnover rate 26.85%, transaction value 328.66 million yuan [1] - Tietuo Machinery: Closing price 27.47 yuan, up 18.20%, turnover rate 28.89%, transaction value 326.09 million yuan [1] - Haixi Communications: Closing price 27.98 yuan, up 1.27%, turnover rate 8.84%, transaction value 274.51 million yuan [1]

Group 1: New Stock Performance - Four new stocks were listed from November 17 to November 21, with an average first-day price increase of 510.51%[2] - All four new stocks had first-day gains exceeding 100%, including Dapeng Industrial (1211.11%), Beikang Testing (295.52%), Hengkun New Materials (310.61%), and Nanguang Digital (224.78%)[4] - There were no instances of first-day price declines for new stocks during this period[2] Group 2: Weekly and Monthly Trends - The number of new stocks listed increased by 4 compared to the previous week, with total fundraising amounting to 40.49 billion yuan[3] - The average first-day price increase for new stocks rose compared to the previous week, with the range of first-day price changes being from 224.78% to 1211.11%[3] - For the month ending November 21, a total of 9 new stocks were listed, raising 76.34 billion yuan, with 8 stocks experiencing first-day gains over 100%[10]

Report Industry Investment Rating Not provided in the content. Core Viewpoints of the Report - The North - China Stock Exchange (NSE) 50 index dropped 9.04% this week, with trading volume and turnover decreasing. Market sentiment is cautious, and industry structure has a significant impact on the NSE. The proportion of strong stocks in the NSE has fallen to 7.4%, and short - term rebounds are expected, but medium - term rebounds require policy and macro - environment support. [6][9][13] - It is recommended to focus on index - weighted component stocks and companies about to enter the NSE 50 index under the expectation of NSE 50 ETF, and also pay attention to the technology + cycle combination, such as Tongli Co., Ltd., BTR New Energy Materials Inc., etc. [13][14] Summary by Relevant Catalogs 1. Dapeng Industry Rose 12 - fold on the First Day, and the Proportion of Strong Stocks in the NSE Approached the Extreme Value - The NSE 50 dropped 9.04% this week, and trading volume decreased by 16.2%. The sharp adjustment of the Shanghai Composite Index and the decline of micro - cap stocks led to a large - scale adjustment of the NSE index. The lithium battery, chemical, and other sectors with strong previous performance had a large adjustment range. [9] - The industry structure has a great influence on the NSE. The lithium battery, automobile, and basic chemical industries have a high proportion in the NSE. The fluctuations in industry expectations and the decline of leading companies at home and abroad have led to the decline of specialized and sophisticated companies. The lithium battery + automobile sector accounts for about 30% of the NSE 50 weight, dragging down the NSE 50. [10] - The market sentiment index of the NSE has entered the freezing point again. Short - term rebounds are expected, but medium - term rebounds need policy and macro - environment support. Attention should be paid to value - type stocks with rapidly falling valuations. [13] 2. The 50 Index Declined, and the Turnover Decreased Month - on - Month - From November 17th to November 21st, 2025, the NSE 50 dropped 9.04%. The median PE of NSE companies was 40.72 times, a month - on - month decline. The weekly turnover was 89.573 billion yuan, a month - on - month decrease of 16.21%. As of Thursday, the margin trading balance was 7.76 billion yuan, a decrease of 128 million yuan from last week. [16] 3. New Stocks on the NSE - This week, two new stocks, Beikuang Testing and Dapeng Industry, were listed on the NSE. As of November 21, 2025, there were 284 listed companies on the NSE. Jingchuang Electric applied for listing, and Aide Technology, Tongling Technology, and Jingqiang Technology passed the review. Next week, 0 companies will be listed, 0 will apply for listing, and 3 companies (Yongda Chemical, Medela, and Haifeiman) will be on the review meeting. [3][28][35] - Beikuang Testing (920160.BJ) belongs to the social service industry, with a first - day increase of 295.52%. Dapeng Industry (920091.BJ) belongs to the machinery and equipment industry, with a first - day increase of 1211.11%. [28][31] 4. The Rise - to - Fall Ratio of Individual Stocks on the NSE was 0.04, and Haixi Communication and Meideng Technology Led the Gains 4.1 Individual Stock Price Changes - Among NSE stocks this week, 10 stocks rose, 271 fell, and 1 remained flat, with a rise - to - fall ratio of 0.04. The top five gainers (excluding new listings this week) were *ST Yunchuang, Haixi Communication, Meideng Technology, Chengdian Optoelectronics, and Dadi Electric. The top five losers were Luqiao Information, Taipeng Intelligent, Litong Technology, Anda Technology, and Lijia Technology. [37] 4.2 Top Five Weekly Turnovers - The top five stocks in terms of weekly turnover (excluding new listings this week) were Dana Biotech, Gaishi Food, Meideng Technology, Tianhong Lithium Battery, and Dier Chemical. [42] 4.3 Important Announcements - Many companies such as Zhisheng Information, Tianrun Technology, and Aweite made important announcements, including signing contracts, obtaining patents, and adjusting investment projects. [44][45] 5. This Week's Important News - The NSE issued the "Guidelines for Continuous Supervision of Listed Companies No. 14 - Continuous Supervision of Sponsoring Institutions" to standardize the continuous supervision of sponsoring institutions over listed companies. [46] 6. This Week's New Third - Board Situation - As of November 21, 2025, there were 6,058 listed companies on the New Third - Board. This week, 8 new companies were listed, and 9 were delisted. The planned new financing was 56 million yuan, and the completed financing was 372 million yuan. [47][49]

Group 1 - The core viewpoint of the report indicates that the North Exchange 50 index has decreased by 9.04%, with trading volume declining by 16.2% during the week. The Shanghai Composite Index also experienced significant adjustments, dropping by 3.9% [11][18]. - The report highlights that the automotive supply chain is facing downward pressure on valuations due to expectations of a 50% reduction in the new energy vehicle purchase tax next year and poor sales performance in recent weeks [12]. - The lithium battery and automotive sectors account for approximately 30% of the North Exchange 50's weight, and recent adjustments in these sectors have significantly impacted the index [12][15]. Group 2 - This week, two new stocks were listed on the North Exchange: Beikang Testing and Dapeng Industrial, with first-day price increases of 295.52% and 1211.11%, respectively [3][30]. - The report notes that the North Exchange currently has 284 companies listed, with no new listings or subscriptions expected in the following week [3][39]. - The report provides insights into the performance of individual stocks, with 10 stocks rising and 271 falling, resulting in a rise-fall ratio of 0.04 [41]. Group 3 - The report emphasizes the importance of monitoring value stocks that have seen rapid valuation declines, suggesting that the recent market downturn presents a good opportunity for long-term value investors [15][16]. - It recommends focusing on companies that are expected to enter the North Exchange 50 index and those in the technology and cyclical sectors, considering the changes in the third-quarter fundamentals and marginal improvement expectations [15][16]. - Specific companies to watch include Tongli Co., Better Ray, Kait Co., Wantong Hydraulic, Gobika, Guangxin Technology, Lintai New Materials, Kangnong Agriculture, and Deyuan Pharmaceutical [16].

Core Viewpoint - Beikong Testing (920160) experienced a 1.36% increase in stock price with a turnover rate of 39.50% and a trading volume of 264 million yuan, despite a net sell-off of 20.13 million yuan by brokerage firms [2] Trading Activity Summary - The stock was listed due to a turnover rate of 39.50%, with brokerage firms collectively net selling 20.13 million yuan [2] - The top five brokerage firms accounted for a total transaction volume of 59.38 million yuan, with buying amounting to 19.63 million yuan and selling amounting to 39.75 million yuan, resulting in a net sell-off of 20.13 million yuan [2] - The largest buying brokerage was CITIC Securities Co., Ltd. Xiamen Guanjin Road Securities Office, with a purchase amount of 4.83 million yuan, while the largest selling brokerage was Huatai Securities Co., Ltd. Shenzhen Yitian Road Rongchao Business Center Securities Office, with a selling amount of 10.43 million yuan [2] Detailed Brokerage Activity - The top five buying brokerages and their respective amounts: - CITIC Securities Co., Ltd. Xiamen Guanjin Road Securities Office: 4.83 million yuan - Dongfang Caifu Securities Co., Ltd. Lhasa East Ring Road First Securities Office: 3.72 million yuan (selling 4.36 million yuan) - Guojin Securities Co., Ltd. Shenzhen Branch: 3.25 million yuan (selling 0.45 million yuan) - Guotai Haitong Securities Co., Ltd. Ningbo Guangfu Street Office: 3.02 million yuan (selling 0.53 million yuan) - Dongfang Caifu Securities Co., Ltd. Lhasa Financial City South Ring Road Securities Office: 2.45 million yuan (selling 2.44 million yuan) [2] - The top five selling brokerages and their respective amounts: - Huatai Securities Co., Ltd. Shenzhen Yitian Road Rongchao Business Center Securities Office: 10.43 million yuan (buying 1.17 million yuan) - Guoxin Securities Co., Ltd. Shenzhen Hongling Middle Road Securities Office: 1.10 million yuan (selling 7.29 million yuan) - Guotai Haitong Securities Co., Ltd. Shanghai Jiangsu Road Office: 0.00 million yuan (selling 5.06 million yuan) - CITIC Securities Co., Ltd. Hangzhou Fuchun Road Securities Office: 0.01 million yuan (selling 4.76 million yuan) - Zhongtai Securities Co., Ltd. Heze Dongming Wusi Road Securities Office: 0.07 million yuan (selling 4.43 million yuan) [2]

Core Viewpoint - Beikong Testing successfully listed on the Beijing Stock Exchange, marking a significant milestone for the company as a leading domestic provider of non-ferrous metal inspection and testing technology [1][6] Company Overview - Beikong Testing issued a total of 28.32 million new shares at a price of 6.7 yuan per share, opening at 30.88 yuan and reaching a high of 31.80 yuan on the first trading day, ultimately closing at 26.50 yuan, reflecting a 295.52% increase [3] - The company has a market capitalization of 3 billion yuan and a trading volume of 225,500 hands, with a turnover rate of 88.46% [3] Industry Position - Beikong Testing operates in various sectors including ore and mineral products, smelting products, environmental samples, recycled resources, advanced materials, and testing of beneficiation reagents, holding national qualifications and certifications [4] - The company has participated in significant national projects and has developed advanced analytical instruments, establishing a leading position in the inspection and testing technology field [4] Market Outlook - The global inspection and testing industry has maintained a growth rate of over 10%, with the market size increasing from 107.7 billion euros in 2012 to 278.5 billion euros in 2023, reflecting a compound annual growth rate (CAGR) of 9.02% [5] - In China, the inspection and testing market is projected to grow from 206.5 billion yuan in 2016 to 487.6 billion yuan by 2024, with an average CAGR of approximately 11.34% [5] - The mining and metallurgy inspection and testing market is expected to reach 5.615 billion yuan in 2024, with a projected size of 6.311 billion yuan in 2025 based on a CAGR of 12.39% [5] Future Commitment - Beikong Testing aims to adhere to regulatory requirements and maintain a strong governance structure, focusing on sustainable and high-quality development to enhance profitability and competitiveness [9] - The company is committed to creating value for customers, providing development opportunities for employees, and delivering returns to investors [9]

Core Viewpoint - Beikong Testing (920160) experienced a decline of 6.09% today, with a turnover rate of 35.91% and a trading volume of 241 million yuan, indicating significant market activity and investor interest [2] Trading Activity - The stock was listed on the trading board due to its turnover rate reaching 35.91%, with a net buying amount of 746,800 yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction volume of 62.77 million yuan, with a buying transaction amount of 31.76 million yuan and a selling transaction amount of 31.01 million yuan, resulting in a net buying of 746,800 yuan [2] Brokerage Details - The largest buying brokerage was Dongfang Caifu Securities, with a buying amount of 8.55 million yuan, while the largest selling brokerage was Guojin Securities, with a selling amount of 15.58 million yuan [2] - Detailed trading data from November 20 shows the top five buying and selling brokerages, highlighting significant buying activity from multiple brokerages [2]