TOPCERA(Shanghai) Tech Co., Ltd. is a diversified management company integrating R&D, production and sales of silicon carbide ceramic materials. The subsidiaries Shenyang Ruidong New Material Technology Co., Ltd. and Shenyang Xika Fine Ceramics Co., Ltd. have three silicon carbide material systems: reaction sintered silicon carbide SiSiC, recrystallized silicon carbide RSiC, and silicon nitride bonded silicon carbide NSiC. They have silicon carbide extrusion With its advanced molding and pouring molding technology, it is one of the earliest companies in China to successfully develop and mass-produce large-sized, high-precision, and complex-shaped cantilever paddle grouting products.