Shanghai Ruyuan Electronic Materials Co., Ltd. is the manufacturer and supplier of semiconductor materials located in Silicon Concentrated Industry Zone, Shanghai City, specialized in coating, communication, laser optical and infrared optic and other industries. We provide high quality, high-precision silicon (polysilicon) crystal components with perfect product designs and applications as well as professional technical support. We manufacture and cooperate with our partners for various crystal materials like silicon ingots /wafers, epitaxial wafers, diffusion wafers, Solar wafers, sapphire and Ge wafers.