معدات مطحنة الكرة لمعالجة خام الحديد بيع خام الحديد معدات خام الحديد، أجهزة ومعدات welcome to stk. founded in 1987, stk has attained 124 patents during the production of crushersmills over the past 30 years. 22 overseas offices not only manifest our popularity, but also solve your puzzles quickly
2014-7-15 · Tungsten carbide,also named tungsten cemented carbide and tungsten sintered carbide parts, is a sintered parts from tungsten carbide powder and nickel, cobalt or other chemical compound containing equal parts of tungsten and carbon atoms lloquially, tungsten carbide is often simply called carbide; in China, some engineers always name it as tungsten steel.