Zhengzhou IW Diamond Co., Ltd. (IW for short) is a global service provider focusing on the tools manufacturing of wire rod industry, specializing in the production, research and development and sales of diamond wire drawing dies, providing die services such as drawing, extrusion, stranding, scraping and painting; specifically, it includes: natural drawing die, polycrystalline drawing die, single crystal drawing die, cvd drawing die, tungsten steel drawing die, cemented carbide drawing die, drawing pipe die, special-shaped die, stranded wire die, painting die, extrusion guide die, etc. Various types of high quality drawing die services.