Gansu Qiyuan Chromate-Chemical Production Co., Ltd. | Address: Room 2-302 ,Desheng No.4 Builing Gaolan County, Lanzhou, Gansu 730200, China 
www.gschromate.com | Send Inquiry | Phone: +86-(931)-5828987
Gansu Qiyuan Chemical Production Co., Ltd. is a manufacturer of chromates for chemical industries. Our products are sodium bichromate, chromium hydroxide, chromic anhydride, chrome oxide green, basic more...