Yankuang Energy has obtained patents related to wire rope clamps, and the balanced wire rope clamping device solves the fixation problem.

March 28 news, information from the National Intellectual Property Administration shows that Jining Energy Group Co., Ltd. has applied for a patent titled “A Balanced Wire Rope Clamping Device.” The authorized publication number is CN224030439U, and the authorized publication date is March 24, 2026. The application number is CN202520833907.X. The application publication date is March 24, 2026. The application date is April 29, 2025. The inventors are Yao Wenbiao, Li Chuanqing, Shi Tiancheng, Wang Tao, Chen Lei, Liu Yang, Ping Wei, Jian Kai, and Wang Yalu. The patent agency is Beijing Tonghui Intellectual Property Agency (General Partnership). The patent agent is Ding Xue. Classification numbers are B66B7/06 and F16B2/12.

According to the patent abstract, this utility model relates to a balanced wire rope clamping device, which includes a clamping plate assembly and a pressing plate assembly. The pressing plate assembly is located above the clamping plate assembly. The clamping plate assembly includes two clamping plates arranged facing each other. Between the two clamping plates, a screw rod is provided to adjust the spacing between the two clamping plates. The pressing plate assembly includes two pressing plates arranged facing each other. Between the two pressing plates, a locking bolt is provided. This utility model can solve the technical problem that in the existing technology, when it is not possible to fix a balanced wire rope using pressing plates, there is high labor intensity, low efficiency, and an easy occurrence of pinching accidents.

Jining Energy was established on September 25, 1997, and was listed on the Shanghai Stock Exchange on July 1, 1998. Its registered address and office address are both in Shandong Province. The company is a leading coal and related energy enterprise in China, with business covering coal and coal chemical engineering, among others, and it has advanced and efficient coal mining technologies.

Jining Energy’s main businesses include coal mining, washing and processing, sales, and coal railway transportation, as well as coal chemical engineering and power business, among others. The industry to which it belongs under Shenwan classification is Coal - Coal Mining - Thermal Coal. It involves concept sectors such as thermal coal, coal concepts, anti-“involution,” and other concept sectors.

In 2025, Jining Energy’s operating revenue reached RMB 144.933 billion, ranking 2nd among 6 listed companies in the industry. The top company, China Coal Energy, had RMB 148.057 billion. The industry average and median were RMB 58.863 billion and RMB 25.552 billion, respectively. In terms of net profit, in 2025 it was RMB 14.226 billion, also ranking 2nd; the top company, China Coal Energy, was RMB 21.839 billion. The industry average and median were RMB 6.5883 billion and RMB 2.224 billion, respectively.

Jining Energy Group Co., Ltd.’s recent patent situation is as follows:

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