Chongqing Zhizhan Gear Transmission Co., Ltd.

Chongqing Zhizhan Gear Transmission Co., Ltd. was founded in 2008 and acquired Chongqing Yongjin Heavy Machinery Complete Equipment Co., Ltd. in 2019. Located in Deyang Industrial Park, Jiangjin, Chongqing, it is a high-tech enterprise with gear transmission equipment as its core business, integrating technology research and development, production, sales, and service. Currently, it has more than 300 employees. Its sales and technology center is located in Erlang Overseas Students Pioneer Park, Jiulongpo District, Chongqing, and it has sales companies in Xi'an and Beijing. The company has advanced technology and rich experience in the design, research and development, and manufacturing of high-speed, heavy-duty, non-standard transmission devices, and bevel gears. At present, the designed products have a maximum transmission power of 50,000 KW, a maximum linear speed of 180 m/s, a maximum rotational speed of 100,000 r/min, and a maximum transmission torque of 750 ton-meters. It has accumulated 7 invention patents, 68 utility model patents, and 16 appearance patents. It has been successively rated as a national high-tech enterprise, a Chongqing innovative pilot enterprise, a technology-based enterprise, the Chongqing Enterprise Engineering Technology Research Center for High-Speed and Heavy-Duty Gear Transmission, and a Chongqing "Specialized, Refined, Distinctive, and Innovative" enterprise. It has won the second prize of the Science and Technology Award of Higher Education Institutions, the second prize of the Sichuan Provincial Science and Technology Progress Award, and other scientific and technological awards in the industry, and is committed to becoming a leading enterprise in China's transmission industry.
The company's products are widely used in ships, cement, building materials, steel, thermal power, mining, petroleum, chemical, coal, metallurgy, wind power, rail transit, construction machinery, water conservancy hubs, various test benches, sewage treatment, waste incineration power generation, gas turbine unit power generation, compressors, and other fields. Its customers are all over Asia, Europe, and the Americas. In projects such as the Three Gorges Dam water conservancy hub, it has successfully developed products that replace imports, breaking the monopoly of foreign companies and reaching a leading level.
The company has advanced equipment such as German DMG five-axis machining centers, Italian PAMA boring and milling machining centers, German NILES CNC profile grinding machines, and German Schenck dynamic balancing machines, as well as various professional processing and testing equipment. It can process and manufacture various integral gear parts with diameters up to 4 meters, unlimited modules, precision up to DIN-3 grade, and tooth surface hardness up to HRC 58-62, herringbone gears without undercut, and high-precision gearboxes. At the same time, it masters leading single-piece matching processing technology for spiral bevel gears.
The company has a sound quality management system and has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification, and the UK Royal UKas quality certification.
Looking to the future, the company will stay true to its original aspiration, forge ahead, always uphold the quality approach of prevention first, process control, continuous improvement, and pursuit of excellence, practice the core value of "creating value for customers," build itself into a "small but beautiful" transmission technology enterprise, and contribute to achieving the goal of "manufacturing powerhouse."