Shaanxi Golden Stone Machinery Manufacturing Co., Ltd. is a modern equipment company specially engaged in development, manufacturing and marketing of CNC deep hole drilling machines, deep hole machining tools and auxiliary tools and to provide technical advice, product trial processing, deep hole outside cooperation machining and machine reconstruction services. With 50 years of machine design and manufacturing, the company is designated as smaller than Φ 30mm deep hole drilling machine manufacturer by former Ministry of Machinery Industry. We have accumulated strong technical and historical heritage. The processing method and equipment capacity of specialized component machining, outside cooperation, component assembly, final assembly, painting and packing workshops established after enterprise reorganization in 2004 have reached advanced level in the same industry.