Zhengxi International Holdings Limited . Shanghai zhengxi Ceramics Co., Ltd., English: "shgtzdh", established in January 2006, has in the Jiangsu, Shandong, set up production plants, is a research, production, import and export trade as one integrated enterprise. "Shgtzdh" Shanghai mainly to the domestic and international product sales, we insist on the "service guide to technology as the core, quality products for the protection" approach to the new and old customers.