Group 1 - Dongying Zhaoxin Industry and Trade Co., Ltd. has obtained a patent for a "sand prevention hydraulic anchor for oil development," with authorization announcement number CN121251273B, and the application date is December 2025 [1] - Dongying Zhaoxin Industry and Trade Co., Ltd. was established in 2001, located in Dongying City, and primarily engages in the automotive manufacturing industry, with a registered capital of 106 million RMB [1] - The company has participated in 247 bidding projects and holds 141 patent records, along with 3 administrative licenses according to Tianyancha data analysis [1] Group 2 - Shandong Zhaoxin Petroleum Tools Co., Ltd. was established in 2009, also located in Dongying City, and focuses on non-ferrous metal smelting and rolling processing, with a registered capital of 60 million RMB [1] - This company has participated in 93 bidding projects, holds 1 trademark record, and has 49 patent records, in addition to 3 administrative licenses according to Tianyancha data analysis [1]
兆鑫工贸取得石油开发用防砂式水力锚专利
Sou Hu Cai Jing·2026-02-03 11:57