Xiamen HYM Metal Products Co. Ltd. is a professional OEM CNC Machining factory located in Xiamen city, China. HYM specialize in metal products since 2001 with our machining workshops, mold workshops engineering departments, quality management departments providing the most powerful technical support and quality control for you.brbrHYM has CMM> tool microscope image measurement instrument , muti-joint arm marbe platform, roughness measurement hardness tester and various calipers and gauges, these equipments can offer you precision products.