... known trademark of China”, Tangshan Hexiang Group Co., Ltd, consists of Tangshan Hexiang Zirconium silicate Plant, ... Sanitation Co., Ltd., Tangshan Hexiang(Group) Lingxiang Commerce & Trading Co., Ltd, Tangshan Hexiang Refractory Materials Co., Ltd., Tangshan Hexiang Import& Export Co., Ltd., ... enterprise of contract-observed& promise-kept”, “Ten Grand Private Tech-enterprises of tangshan City”, “First ...