Group 1 - The State Intellectual Property Office of China has granted a patent for a "drilling platform manipulator" to Zhongman Petroleum Equipment Group Co., Ltd. and Zhongman Petroleum Natural Gas Group Co., Ltd. The patent was authorized under announcement number CN223048766U, with an application date of August 2024 [1] - The patent describes a new type of drilling platform manipulator that includes components such as tracks, pulley mechanisms, manipulators, racks, gears, and motors. The design aims to enhance the efficiency and safety of natural gas drilling operations [1] - The manipulator's design features a pulley mechanism that can rotate, with a motor driving the gear that engages with the rack, ensuring smooth operation and protection of the chain through guiding mechanisms [1] Group 2 - Zhongman Petroleum Equipment Group Co., Ltd. was established in 2010 in Shanghai, primarily engaged in the automotive manufacturing industry, with a registered capital of 39 million RMB. The company has made investments in 4 enterprises and participated in 32 bidding projects, holding 102 patents and 3 trademark registrations [2] - Zhongman Petroleum Natural Gas Group Co., Ltd. was founded in 2003 in Shanghai, focusing on oil and gas extraction, with a registered capital of approximately 46.23 million RMB. The company has invested in 10 enterprises, participated in 15 bidding projects, and holds 111 patents and 93 trademark registrations [2]