... and 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 ... you want. Only in this way, we can judge and quote exactly on time.By the way, we can also ...