Rui Da Machinery Co., Ltd. was founded in Qingdao in 1990, has 20 years of production and sales history, products throughout the country and exported to more than 20 countries and regions, domestic and foreign customers. The company mainly produces industrial materials, mill, grinder, hammer mill, chaff cutter and so on, while the company also undertake a variety of special materials manufacture of grinder. Products from Jimo City Technical Supervision inspected, the production throughout the full implementation of ISO9001: 2000 standard ....