... , holder of “well-known trademark of China”, Tangshan Hexiang Group Co., Ltd, consists of Tangshan Hexiang Zirconium silicate Plant, Ceramic Machinery Plant ... huida(Group) Sanitation Co., Ltd., Tangshan Hexiang(Group) Lingxiang Commerce & Trading Co., Ltd, Tangshan Hexiang Refractory Materials Co., Ltd., Tangshan Hexiang Import& Export Co., Ltd.,In ...