... Tungsten and Carbide powders are forged together at over 2300 degrees Fahrenheit to produce rings that are virtually indestructible. Then they are ... of various cementd carbide products and Tungsten carbide products. Such as cemented carbide rods , carbide strips, kinds of carbide cutters, ... make it rapidly and rigidly. Different grades are avaliable,such as K01,K10,K20,K30,P10,P20,P30,M10 etc. Welcome ...