Henan Zhengyi Construction Machinery Manufacturing co. LTd. is a technical entity developing and producing machinery. It possesses a professional R&D department and has a technical partnership with the Northeast Architectural R & D Institute in China. With above cultural background, We can provide clients and customers with high-quality equipments and technical supports. Concretely speaking, we supply excellent instruments and formulate scientific technical process to customers. Our technologic level has been taking the lead in China.