... corrosion resistance 4. Passed GB/T19001 & ISO9001 IntroductionHuzhou Cemented carbide Co., Ltd can manufacture various mining tools such as drill ... bits, brazing sheet, scraper, tangential pick, radial pick, buttons, glasses plate, scale board, and board hammer etc. They ... architecture industry and so on. The specification can be self-defined.There are various sizes you can choose, and we can ...