Zhengzhou Kezhong Machinery Manufacturing Co., Ltd. is a production-oriented enterprise specializing in the research and development of high-tech transmission technology, ultrahigh-speed gearboxes, shredders, and crushers with energy-saving and wear-resistant technologies. The company’s core technical team and management personnel all have over 10 years of experience working in large state-owned enterprises or research institutions, with extensive expertise in mechanical transmission, material ...