Founded in 2003 in Zhuzhou, China’s hometown of cemented carbide, ZZSINO is a customer-oriented manufacturer focused on the R&D, production and sales of customized tungsten carbide high precision products used in the industries of general machinery, oil&gas exploitation, mining, electronics, wood&paper cutting, tobacco, communications etc….

We employ the most advanced equipment and skilled personnel to manufacture tailor-made parts and tools for discriminating industrial customers worldwide, including saw tips, shims, rings, strips, plates, discs, balls, seats, preforms, guide rolls, cermet, non-standard inserts and refractory metals. We partner with the best coating, plating and laser drilling companies in the country in order to offer the best value for the 100 diversified industrial customers in 18 countries worldwide. We especially excel in the R&D of new materials, finish machining and preform before sintering of cemented carbide products.