Liaocheng Ruizuan Construction Cutter Co., Ltd. is a professional manufacturer of rotary bits, coal mining bits, flat bits and shield driving cutters. Ruizuan products are widely used in coal mine, underground mine, tunnel, subway, metallurgy, water conservancy project, highway project and other projects, Ruizuan products are well accepted by customers in Chinas more than 20 provinces, municipalities and autonomous regions and also in Japan, America, the United Arab Emirates, Brazil, Australia and other abroad markets.



We have got the certification of ISO9000:2000 and have had a...