New equipment arrives : Integrated Vacuum Dewaxing Sintering Furnace (Rapid Cooling Time) for tungsten carbide products With the new furnace , the quality of our tungsten carbide products will be improved above 30%. Especially for tungsten carbide seal ring , tungsten carbide bearing bushing , tungsten carbide tube , tungsten carbide choke beans ,tungsten carbide ball and seat , tungsten carbide nozzles , tungsten carbide plate , tungsten carbide valves , tungsten carbide bar ,tungsten carbide rods etc .