Zhuzhou Ruiao Tungsten Carbide Co., Ltd was established in the hometown of hard metal of China — Zhuzhou city in Hunan province. Which Specializing in manufacture Carbide balls, carbide rod, carbide strip, carbide shanks, carbide wood drill, Carbide dies, carbide roller, saw tips, end mil etc, we also accept customized products according to customers require. Welcome customer’s samples or drawings. Seeing is believing, hope you can give both of us a chance to try our quality.