Suzhou Yihong Metal Products Co., Ltd. is located in Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Prov- ince, which is located on the coast of Jiangnan and Taihu Lake, and is close to Yanjiang and Shanghai-Nanjing. Sitong. There is a deep-water wharf of the Yangtze River in the area, and the traffic is very convenient. Enterprise land occupation, with excellent R&D team and many employees. Yihong is committed to the design, development, production and sales of hard tools, and spray processing. The main products include diamond tools, brazed diamond tools, Alloy tools, resin bonded grinding wheels, etc. Specific prod- ucts include diamond saw blades, cutting blades, perforators, grinding wheels, grinding heads, cemented carbide rotary files, Non-standard special-shaped tools such as alloy file, alloy hole opener and alloy grinding wheel.