Since 2011, SDM Precision Technology Group has invested for several factories and sales companies. Until 2018, SDM has owned one precision factory, one precision technology factory and two sales companies. At the same time, SDM has several strategic collaborative factories. SDM now focuses on precision machining, precision turning and the R&D and manufacturing of the related precision components.Our products are popularly used in the Automotive, Truck, High-speed train, Industrial applications, Electronics, Tele-communication, etc.. The raw material includes high hardness steel, stainless steel, carbon steel, brass, beryllium copper and aluminum alloy.