• Conventional sources of raw materials

    CARBON STEEL PIPE ALLOY STEEL PIPECARBON STEEL PLATE
    SHANGHAI BAOSHAN IRON & STEEL CO.,LTD. WUYANG IRON & STEEL CO.,LTD.
    CHENDU IRON & STEEL CO., LTD.JINAN IRON AND STEEL COMPANY LTD.
    JIANGYIN CHANGJIANG PIPE CO., LTD. ANYANG IRON AND STEEL COMPANY LTD.
    BAOTOU IRON & STEEL CO., LTD.SHOUGANG GROUP
    TIAN JIN PIPE (GROUP) CORPORATION 
    WUXI SPECIAL STEEL MATERIAL CO.,LTD. BASE MATERIAL OF CS FORGED FITTING
    ANHUI TIANDA OIL PIPE COMPANG LIMITED.SHANXI TAIYUAN STEEL CO., LTD.
    HENGYANG VALIN STEEL TUBE CO.,LTD.XIANGTAN IRON & STEEL CO., LTD.
    TIANJING WUZHI GROUP?NANJING IRON & STEEL CO.,LTD.
    STAINLESS STEEL PIPEJIANGSU SHAGANG GROUP
    HUZHOU JULEI GROUP CO.,LTD.WUHAN IRON & STEEL GROUP CORPORATION
    JIANGSU WUJIN STEEL PIPE GROUP CO., LTD. JIANGYIN XINGCHENG SPECIAL STEEL CO.,LTD.
    ZHEJIANG FONYE GROUP CO.,LTD. XINING SPECIAL STEEL CO.,LTD.
    SHANXI TAIYUAN STEEL PIPE CO., LTD. JIANGSU SUZHOU STEEL GROUP CO.,LTD.
     ?
    BASE MATERIAL OF SS FORGED FITTINGSTAINLESS STEEL PLATE?
    SHANXI TAIYUAN SS LIMITED CO.,LTD. BAOSTEEL SPECIAL METALS CO.,LTD?.
    SHANGHAI QICANG SS PIPE CO., LTD.SHANXI TAIYUAN SS LIMITED CO.,LTD.?
    ANHUI ZHETAI SS CO.,LTD.KUNSHAN DAGENG SS CO.,LTD.?
    SHANGHAI YATAI STEEL GROUP CO.,LTD. ZHANGJIAGANG POHANG SS CO.,LTD?.
    YONGXING SPECIAL STAINLESS STEEL CO., LTD.?
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