... We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims,, ... tungsten carbide powder sintered into a grain size of cemented carbide at 0.5um applying to glass fiber,wood ,plastic,aluminum-magnesium alloy and ... producing of stamping dies and tools such as red needles,punch,dies and other accessaries . Tungsten carbide rod carbide tips