Lanzhou Changhua material limited company sales department   

        company's annual sales of steel, steel, Anshan Iron and steel, as steel, Tianjin, Baosteel and other domestic and foreign various seamless steel tube mill of seamless pipe, oil casing pipe, geological, import, domestic high-pressure alloy pipe. Material: 10#, 20#, 35#, 45#, 20G, A106B, 40Cr, 20Gr, 16Mn-45Mn, 27SiMn, Cr5Mo, 12CrMo (T12), 12Cr1MoV, 10CrMo910, T22, A335P22, 15CrMo, 13CrMo44, T12, P12, 35CrMo, 40CrMo and other
        implementation of the national standard: GB8162-99 structure of GB8163-99 tube, fluid pipe, GB6479-2000 fertilizer tube, hydraulic support tube, GB3087-99 low pressure boiler tubes, GB5310-95 high-pressure boiler pipe, oil cracking tube etc. GB9948-99.
        and order the production of non GB seamless pipe, rectangular pipe, special subject, all kinds of spiral and the Lanzhou market strange missing pipe, round steel, alloy plate, alloy round steel, die steel, carbon tool steel.
        companies adhere to the "mutual benefit, small profits but quick turnover." Business strategy and "quality first, the credibility of the first." The operating principles, the company in good faith for survival, seeking development with strength, so glad you came back with fruitful results.
        business philosophy: honesty, thoughtful service. Developing with the times, integrity win-win poly start-up.

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