أنابيب حديدية - الصين

GUANGXI ANGANG YONGTONG CASTING PIPE CO., LTD.

SHUNJINGUANGAO

NINGBO YINZHOU CHAOMEI MACHINERY PARTS CO.,LTD

QINGDAO PIPEKING MACHINERY CO.,LTD

ZHEJIANG DINGXIN STEEL TUBE MANUFACTURING CO., LTD.

XINGHUA SUYUAN JINGWEI PIPE CO,.LTD

VINTO INDUSTRIAL CO., LTD.

OTRISH GMBH - SHANGHAI REPRESENTATIVE OFFICE

ADICO DINGZHOU METAL PRODUCTS CO., LTD

SHANDONG EFIELD PIPING SYSTEMS CO.,LTD

CONFORM STAINLESS STEEL TUBE CO.,LTD

CANGZHOU SHENLONG PIPE MANUFACTURING CO., LTD.

PAN CHINA FASTEING SYSTEM & PIPE FITTING COMPANY

ZHANGJIAGANG SHENGDINGYUAN PIPE-MAKING CO.,LTD

GUANGDONG ZHONGHAI STEEL PIPE MANUFACTURING CORPORATION

SAC-WONDER STEEL

VORTEX QINGDAO CO., LTD

HEBEI JINSHENG PIPE FITTING MANUFACTURING CO., LTD

HENGSHUI YITONG METAL PRODUCTS CO.,LTD.

CANGZHOU MAIRUI STEEL PIPE CO., LTD

DINSEN IMPEX CORP

HENAN LIWEI INDUSTRY CO., LTD.

YUYAO JIACHI PIPE CO.,LTD

SINCO STEEL CO.,LTD

LAKE METAL CULVERT CO., LTD.

HEI YAN INT'L DEVELOPMENT LIMITED

BAOJI TIANBANG TITANIUM & NICKEL CO., LTD

CANGZHOU ZHONGSHUN STEEL PIPE TRADE CO.,LTD.

HUAIAN MAOCHEN STEEL TUBE CO.,LTD

SPEZILAL TUBE CO.,LTD.