... known trademark of Chinaā€¯, Tangshan Hexiang Group Co., Ltd, consists of Tangshan Hexiang Zirconium silicate Plant, Ceramic ... Co., Ltd, Tangshan Hexiang Refractory Materials Co., Ltd., Tangshan Hexiang Import& Export Co., Ltd.,In 2002, company authorized as the Quality ... machineries, and qualified with rich experience to undertake the integrate planning, technology process design, installation and ...