The company is a leading enterprise in the domestic chain transmission industry, a leader in chain system technology, and the first A-share listed company in the chain transmission industry in China. The company focuses on R&D, manufacturing and sales of various chain transmission systems, and has formed three major business segments centered on vehicle engine timing and transmission systems, agricultural machinery transmission and transmission systems, and industrial equipment transmission and transmission systems. The company's main products include transmission chains (and supporting sprockets), timing chains, oil pump chains, harvesting conveyor chain systems, conveyor chains, double speed chains, side bending chains, traction chains, sorting chains, plate chains, drive chains, sprockets, etc. Corporate honors: National High-tech Enterprise, National Technological Innovation Demonstration Enterprise, Manufacturing Single Champion Demonstration Enterprise, Specialized and New “Little Giant” Enterprise, China's Leading Agricultural Machinery Parts Enterprise, the 15th National Quality Award Encouragement Award, China Chain Transmission Industry Key Enterprise, China Standard Innovation Contribution Award, China Machinery Industry High Quality Brand, China Machinery General Parts Industry Association Specialized Special Enterprise, and the first Qingdao Mayor Quality Award. At the same time, the “Zhenghe” brand won the title of “China Famous Trademark”.