أنابيب ومواسير فولاذية - الصين

CANGZHOU SYNDA STEEL PIPE GROUP

QINHUANGDAO ZHONGYAN MACHINERY CO. LTD.

DURANICE APPLIED MATERIALS (DALIAN) CO.,LTD

HUNAN GREAT STEEL PIPE CO.,LTD

OTRISH GMBH - SHANGHAI REPRESENTATIVE OFFICE

HANDAN DEQI METAL MACHINE MANUFACTURING CO.,LTD

TIANJIN BINHAI GUANGHAO PIPE FITTING CO. LTD

ZJG JK MACHINERY CO.,LTD.

HENGTONG TUBING CO.,LTD

HEBEI SENHAI PIPELINE CO.,LTD.

TIANJIN PB STEEL PIPE & TUBE CO.,LTD.

TIANJIN YOUFA STEEL PIPE GROUP

BAOSHENG INTERNATIONAL CO., LTD

ZHAOQING CITY FEIHONG MACHINERY & ELECTRICAL CO., LTD

EATHU CASTING AND FORGING CO., LTD.

CHANGZHOU CHENGXIN METAL PRODUCTS CO.,LTD

SHANDONG LIAOCHENG ZGL METAL MFG CO.,LTD

WENZHOU LONGWAN NANYANG STEEL PIPES FACTORY

JIANGYIN DINGRUN PRECISION STEEL TUBE CO., LTD

CHANGZHOU TONGCHUANG TUBE INDUSTRY CO.,LTD

XINYUANTAI STEEL PIPE CO.,LTD

JIANGYIN SUNDREAM PRECISION STEEL TUBE CO.,LTD

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

SHANDONG JIANNING METALS CO.,LTD

CANGZHOU JUNENG STEEL PIPE CO.,LTD

SHANGHAI SHENHUA STEEL TUBE CO., LTD

DONATO GROUP LIMITED

QINGDAO WEFSUN METAL MATERIAL CO LTD

ZHONGYOU TIPO GROUP INTERNATIONAL SALES CO.,LTD

WEIFANG EAST STEEL PIPE CO., LTD