Xi'an Unistar Machinery Co., Ltd is a company with a wide-ranging production of high-precision grinding and polishing related equipment and materials, where design, research and development, production, sales and maintenance are integrated together.Unistar's main products include polishing machine, surface grinding machine, cylindrical&internal grinding machine and tool profiler/detector/presetter. We have a professional equipment R&D team, abrasive material R&D team, and process R&D team that constantly innovates and improves to provide customers with advanced equipment, advanced grinding and polishing materials, and advanced processing solutions.The company has successively obtained multiple product invention patents and utility model patents and passed the ISO9001:2015 quality management system certification. It has been deeply trusted by customers and agents around the world.