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CSC is specializing in alloy pipe for more than twenty years, since 1989. A transnational company covers steel pipe fabrication as well as selling and exporting with total asset of 1billion. All our pipes with FIRST-CLASS QUALITY and can be strictly tested by SGS, BV, DNV, Lloyd's third party inspection pipe by pipe with API, ASTM, EN, BS, DIN, NF STANDARD. Our enterprise is the predecessor of branch of China’s Oil&Gas pipeline science Research Institute. Detail notes for each heat no,batch no and surface finish to keep a record. Offer needed information & material like ISO certificate .MTC etc. 3rd inspection test, dedicated to quality.