Dongying Chenhui Machinery Manufacturing Co., Ltd. has experience in sand casting, investment casting, pressure die casting and gravity casting for more than 15 years. It mainly specializes in large-scale cast steel, cast iron casting and the related fine processing. Its products are up to 3000 types, mainly including heavy-duty casting parts for such industries as rubber machinery, upsetting machinery, mining machinery, metallurgical machinery, building materials machinery, petroleum machinery, printing machinery and textile machinery. Meanwhile, the company also manufactures winch, rig, vulcanizing machine and other large mechanical equipment.