... DOST press machine, vacuum dry mix equipment, andegreasing sinterring furnace and so on. Our main products are tungsten carbide cold punching ... foundation, tungsten carbide strips, tungsten carbide rods, tungsten carbide plates, and so on. Our factory's sales volume was RMB 40 ... ,000,000 in 2011, and we paid tax RMB 1,000,000 to our government ...