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Changan new optimal line of professional business management: metal materials imported materials the kerner Fuji tungsten steel, tungsten steel, Japan sumitomo tungsten steel, tungsten striker, Taiwan remains tungsten steel spring, Sweden ASSAB17 superhard white steel lathe tool, spring steel, stainless steel, the import environmental protection brass, bronze, chromium zirconium copper, tungsten copper, silver, tungsten, imported aluminum, hard aluminum alloy, imported high quality mold steel, powder high speed steel, hard alloy, and tool, etc and provide the tungsten steel precision processing enterprises. Alcoa's main products are: the United States, imports of aluminum alloy, the Russian kamensk military aluminium alloy, the German love wound, GIANTAL, WELDURAL and HOKOTOL special superhard aluminium, Japan kobe steel Kobelco aluminum, Japan's sumitomo metal aluminum, alloy aluminum sheet, plate, aluminum rod, aluminum mirror, aluminium coil, aluminium tubes, hexagonal rods Angle aluminum, aluminum tape, aluminum flat bar. The us environmental protection brass, Japan free cutting brass, spring steel, brass wire Brass, brass rod, brass sheet, hexagonal copper, copper casting round rods, copper extrusion rod and so on.