Zhuzhou Dong Ya tools Co, Ltd. is a professional manufacturer of Cemented Carbide products.With years&＃039; experience, our products are CQC qualified and sell very well in brazil, Parkistan, *****. Our main products include:cemented carbide drills, cutting cutters, mining tools, drawing dies, carbide strip, rods and so on.skillful workers and advanced machines can make every of your size possible.Diffrent grade are available too, such as K01, K05, K10, K15, K20, K30, P20, P40 etc. We offer all kinds of OPP/DIY, no standard, PROFESSIONAL products for your choices for different markets.Welcome to inquiry, you surely be responsed in the fastest time!