Zhengzhou Zhongyuan Hengrui Machinery Factory is a designated enterprise by the Ministry of Coal for support and manufacture protection products. We are joint-stock company combining research development, sale. Hengrui strictly adheres to international industrial standard ...

Zhengzhou Yonghua Machinery Manufacturing Co., Ltd. is a professional manufacturer specialized in the production of coal briquette equipment, building material mining machinery and metallurgical processing equipment. After 30 years development, our company now setting up branches, ...