HK Xinyutong Optoelectronic Co., Ltd. is located in Flat C 4/F, Civic Comm  BLDG, 165-167, WooSung ST, KL,HongKong. and our Factory located in Songgang Dingfeng High-tech Industrial Park, Bao'an District, Shenzhen. The company focuses on the R & D, production and sales of high-end grinding and polishing products. Its product line covers various grinding and polishing materials such as diamond, alumina, silicon carbide, cerium oxide and silicon dioxide. At the same time, it provides a full range of products including grinding fluid, grinding oil, grinding pad, polishing equipment, etc., and is committed to providing one-stop grinding and polishing solutions for industries such as optical fiber communication, optics, automotive, aviation, digital, electronics, metal, crankshaft, roller making and micro-motor.