Henan Doing Mechanical Equipment Co., Ltd is a comprehensive enterprise related to manufacture, marketing, installation and after sale service etc. The company is committed to developing and manufacturing of all kinds of large scale and small acale equipment. It won leading position and good reputation with its high quality products and professional service. The main products: waste tire and plastic pyrolysis plant ,continuous pyrolysis plant ,waste oil to diesel plant with relavent equipements, like tire cutter, carbon black briquette machine and carbon black grinding mill etc; scrap cable wire recycling machine. PCB (Printed Circuit Board ) recycling machine. Aluminum and plastic ... more