... trademark of China”, Tangshan Hexiang Group Co., Ltd, consists of Tangshan Hexiang Zirconium ... 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 2002, company ... authorized as the Quality Management System Certificate of ISO9001. Company’s ...