أنابيب ومواسير فولاذية - الصين

HANDAN DEQI METAL MACHINE MANUFACTURING CO.,LTD

CANGZHOU FIXED STAR STEEL CO., LTD

CNPC BAOJI PETROLEUM STEEL PIPE CO., LTD.

SHANGHAI COSMO PRODUCTS CO., LTD.

TIANJIN ZHONGSHUN PETROLEUM STEEL PIPE CO., LTD.

BAOSHENG INTERNATIONAL CO., LTD

TIANJIN PB STEEL PIPE & TUBE CO.,LTD.

HEBEI QINYI STEELPIPE SALES CO.,LTD

HEBEI SENHAI PIPELINE CO.,LTD.

CANGZHOU SYNDA STEEL PIPE GROUP

SHIJIAZHUANG BAOGUAN PIPE FITTING CO., LTD.

QINGDAO WEFSUN METAL MATERIAL CO LTD

SHANDONG JIANNING METALS CO.,LTD

TIANJIN YOUFA STEEL PIPE GROUP

SUNNY STEEL ENTERPRISES LTD.

OTRISH GMBH - SHANGHAI REPRESENTATIVE OFFICE

PROFESSIONAL STEEL PIPE SUPPLIER

DONG PENG BO DA(TIANJIN) INDUSTRIAL CO.,LTD.

TIANJIN RONGXIN STEEL CO.,LTD.

ZHEJIANG YINGSHENG STAINLESS STEEL CO.LTD

EATHU CASTING AND FORGING CO., LTD.

WENZHOU LONGWAN NANYANG STEEL PIPES FACTORY

HEBEI SHUIMIAO PIPELINE GROUP CO.,LTD

ZHEJIANG STEADY STAINLESS STEEL PIPE & TUBE CO., L

WENZHOU HEZHONG STEEL INDUSTRIAL CO.,LTD

SHANGHAI FENGLING STAINLESS STEEL CO.,LTD

METALS INTERNATIONAL LIMITED

QINGDAO VICTOR TEXTILE CO. LTD

TOPPIPE INTERNATIONAL SUPPLY CO.LTD.

GREAT (FOSHAN) STAINLESS STEEL CO.,LTD.