Qingdao Desente Chemicals Co., Ltd is a company specializing in perchasing Ultrafine Silica Powder,Solid Potassium hydroxide and textile auxiliaries.We have professional R&D department,manufacting base and selling network.With advanced production facility and first-class management, our products are in great demand both in domestic and overseas markets.Now our company has hired a number of exports and professors, who all have years of experience of chemical, pharmaceutical, and biochemical ...