Zhuzhou Tongda Cemented Works is a professional large-scale manufacture of many types of cemented carbide products ,integrating development and production together.Our company was established in 2001, specialized in off-standard cemented carbide products and some standard cemented carbide products including saw blades,carbide tips,carbide rolls,carbide strips,carbide rods , special carbide products,etc.. Through the efforts of our entire staff,we have become a strong cemented carbide ...