JIAYI Tools Co., Ltd. (JIAYI) is a professional manufacturer of industrial metal cutting tools. Headquartered in Shenzhen, China, We are non-ferrous metal engineers who manufacture high quality Tungsten Carbide cutting tools products with guaranteed quality, reliability, and exceptional customer service. JIAYI has established strong partnerships worldwide and distributes its products in more than 15 countries/regions. PCD drill bits, Carbide reamers, Solid carbide drills.