Zibo Guangtong Chemical Limited Company is a professional manufacturer of Zirconia products and fine chemical products with ISO 9001 and ISO 14001. It's main products are long-chain diacids(Dodecanedioic Acid, Brassylic Acid, Tetradecanedioic Acid), diols(1,8-Octanediol, 1,9-Nonanediol, 1,10-Decanediol, 1,12-Dodecanediol), Adhesives and Sealants, Zirconium Dioxide, Zirconium Carbonate,and Zirconium Oxychloride. Please do not hesitate to contact with us at any your time. Mr. Leland Liao