... .Fast delivery 4.Various types and dimensions are available About us:Zhuzhou Cemented Carbide Co. Ltd. is a professional tungsten carbide ... it will be simple and easy to do business with us. Quality control system:Every batches of material will be tested ... , A10, A12, A16, A20, A25, A32, A40, A50Carbide brazed tips-Type B: B5, B6, B8, B10, B12, B16, B20, B25, B32 ...