Copper Products, Aluminum Products, Alloy Steel manufacturer / supplier in China, offering ASTM B111 C71500 Cu70ni30 C70600 Cu90ni10 Nickel Alloy Copper Tube, C10100 C11000 C12000 Large Diameter 15mm 22mm 28mm Red Copper Pipe, JIS SUS 420j2 431 440A 440b 440c 440f Stainless Steel Round Bar and so on.
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