Casing Pipe, Seamless Steel Pipe, High Pressure Boiler Tube manufacturer / supplier in China, offering API 5L 42CrMo, 12cr1MOV, 12cr1movg Black Painting Carbon Seamless Steel Round Pipe, API 5CT N80q N80 L80 Nue Seamless Oil Casing Pipe for Oil and Gas, Seamless Carbon Steel Pipes for Oil and Gas Pipelines, ASTM A106/API-5L/ASTM A53 and so on.
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