Qingdao Haiyang Chemical Co., Ltd.
[ Manufacturer ]Main business are 1. Industrial silica gel: silica-alumina gel, fine-pored silica gel, macro-pored silica gel, silica gel type B, silica gel type C, pouch-packed silica gel, colour-varying silica gel without cobalt, blue silica gel, blue silica gel, DL silica gel, high eff