Comsem precision parts Co.,Ltd is a professional CNC michining and assembly factory , specialized in manufacturcing products with high-precision and complex structure in the field of optics , medical,aciation, precision equipment, electric tools, automobiles, and petrochemical. Comsem was established in 2012, located in Liaobu town, Dongguan city, Guangdong province, covers an area of 3000 square and has about 80 employees , we provide the products and service for the customers in North America,