Copper Alloy, Stainless Steel, Alloy Steel manufacturer / supplier in China, offering C17500 Copperc17500 Alloy Copperc17500 Beryllium Copperbe-Cu Beryllium Copper Master Alloy, Gcr15 Rolling Bearing Steelgcr15 Round Steelgcr15 Steel Wiregcr15 Steel Plate, 16mncr5 Steel Wire16mncr5h Steel Wire 16mncr5 High-Grade Alloy Wire, Reliable Forindustrial Use and so on.