Dalian Gaoteng is a professional manufacturer of ceramic grinding media and supplier of other ceramics relative products. Gaoteng is a leading company in ceramic grinding material industry, and she wins good reputation from worldwide customers. Gaoteng's silica mine is located in Dalian, China, which has more than 99.31% silica content, and less than 0.018%.iron content. The mining limitation period is over 60 years with 30 years left now. Gaoteng's large output factory produces over 10000tons of product per year. Professional and experienced workers and strict quality control system are the guarantee of the quality of our products. Gaoteng trading company was set up in 2002, which passed ISO9000 with the certificate number USA10Q22233R0S, whose business partners are worldwide. Gaoteng logistics company was set up in 2000, which is a member of WIFFA, with the certificate number WIFFA W0002492.