Group 1 - The core point of the article is that 德石股份 (De Shi Co., Ltd.) has reported its total number of shareholders as of February 13, 2026, which stands at 16,513 households [1]

Core Viewpoint - Tongyuan Petroleum (300164.SZ) announced that its chairman, Ren Yanzhong, plans to reduce his shareholding by up to 904,045 shares, representing 0.15% of the total share capital, within three months after a 15-trading-day period from the announcement date [1] Group 1 - Chairman Ren Yanzhong holds 3,616,178 shares, which is 0.61% of the company's total share capital [1] - President Yao Zhizhong, who holds 200,000 shares (0.03% of total share capital), plans to reduce his holdings by up to 50,000 shares (0.01% of total share capital) through centralized bidding [1]

证券日报网讯2月3日，德石股份（301158）在互动平台回答投资者提问时表示，截至2026年1月30日， 公司股东总户数为18621户。 ...

Core Viewpoint - The company plans to raise a total of 220 million yuan through a simplified procedure for issuing shares to specific targets in 2025, with a net amount of 216 million yuan [1] Group 1: Fundraising Details - The company has pre-invested 39 million yuan of its own funds into the fundraising project for the acquisition of a 51% stake in Blue Ocean Zhixin [1] - The company intends to use 40.4811 million yuan of the raised funds to replace the aforementioned self-raised funds [1] - The issuance expenses paid by the company amount to 1.4811 million yuan [1] Group 2: Approval and Compliance - The fundraising plan has been approved by the audit committee and the board of directors [1] - The accounting firm has issued verification opinions, and the sponsor institution has no objections [1] - The replacement of self-raised funds will not exceed six months, complying with relevant regulations [1]

Group 1 - The core point of the article is that 德石股份 (De Shi Co., Ltd.) has reported its total number of shareholders as of January 20, 2026, which stands at 18,249 households [1] Group 2 - The company engaged with investors through an interactive platform to provide this information [1]

Core Viewpoint - Tongyuan Petroleum (300164) primarily operates in North America and domestically, with its collaboration with Chevron focused on perforation services in North America, and there are currently no related business partnerships in other regions [1] Group 1 - The main business areas of the company are North America and domestic markets [1] - The collaboration with Chevron is specifically for perforation services in North America [1] - There are no current business collaborations with Chevron in other regions [1]

Group 1 - The core viewpoint of the article is that Tongyuan Petroleum's North American subsidiary is collaborating with Chevron primarily in the perforation business in North America, with no related business cooperation in other regions [2] Group 2 - The company responded to investor inquiries on an interactive platform regarding its business operations [2] - The collaboration with Chevron is specifically focused on the North American market [2] - There are currently no business partnerships with Chevron in other geographical areas [2]

Group 1 - The core point of the article is that Tongyuan Petroleum (300164) has reported its total number of shareholders as 51,439 as of December 31, 2025 [1]

Core Viewpoint - The successful application of the bionic peristaltic drag reduction tool in the drilling of the Chengbei 22H-19 well by Shengli Oil Engineering Company marks a significant advancement in drilling technology, aimed at improving efficiency and reducing costs in offshore drilling operations [1] Group 1: Technology Development - The bionic peristaltic drag reduction tool is a key research project developed by Sinopec Petroleum Engineering Company, inspired by the movement of segmented animals like earthworms to minimize friction in confined spaces [1] - This tool enhances the load transfer efficiency of the drill string, addressing issues related to drag in long horizontal wells and improving mechanical drilling speed [1] Group 2: Operational Impact - The use of the tool resulted in a more than 100% increase in the directional inclination rate compared to the upper wellbore, successfully validating its drag reduction effect [1] - The field test data obtained from this application will provide scientific support for future technological advancements in drilling operations [1]

Group 1 - The core viewpoint of the article is that Tongyuan Petroleum (300164) is maintaining a stable development trend in its overall business [1] - The company encourages investors to refer to its periodic reports for specific details regarding its business performance [1]