Chiuan Der Steel Co., Ltd. is a quality driven organization offering a wide range of High speed steel scrap, tungsten carbide hard/soft scrap, tungsten carbide(wc)powder, ammonium paratungstate(apt), blue tungsten oxide powder(tbo), yello tungsten oxide powder(ybo), tungsten acid, calcium tungstate, cobalt oxide, cobalt oxalate. Established in 2001, the firm supplies High speed steel scrap, tungsten carbide hard/soft scrap, tungsten carbide(wc)powder, ammonium paratungstate(apt), blue tungsten oxide powder(tbo), yello tungsten oxide powder(ybo), tungsten acid, calcium tungstate, cobalt oxide, cobalt oxalate within preset time limit.