فولاذ - الصين

SHANGHAI ANBAO HYDRAULIC CO., LTD.

QINGDAO SHOUOPU STEEL CO.,LTD

HENAN WANBANG IRON AND STEEL CO,LTD

QINGDAO WUXIAO GROUP CO.,LTD

FOSHAN CHUNGYIP TRADING CO., LTD

GWYL CO.LTD

HANGZHOU HUASHEN METAL PRODUCTS CO.,LTD

GLORIA STEEL LIMITED

DEDA GROUP CO., LTD

BAOSHENG INTERNATIONAL CO., LTD

CANGZHOU BARTECH CONSTRUCTION MATERIAL CO., LTD.

XINYUANTAI STEEL PIPE GROUP CO.,LTD

ZHUHAI SPEEDBIRD PVC FILM LAMINATED METAL SHEET CO. LTD.

HENAN JINYIDA INDUSTRIAL CO., LTD.

HENAN SUPIONEER METAL MATERIAL CO.,LTD

GRANDHUNT ASIA CO., LTD

JINAN YAZI BUSINESS CO.,LTD

HENAN JIANHUI CONSTRUCTION MACHINERY LIMITED COMPANY

WINCOO SPECIAL STEEL CO.,LTD

SUMEJA CORPORATION LIMITED

SHANGHAI YEKE STEEL PROCESSING CO.LTD

RIZHAO STEEL GROUP CO.,LTD

DONGGUAN RUIYUAN STEEL CO., LTD

WENZHOU JUHENG MACHINERY MANUFACTURING CO., LTD

SCOTT METAL&ALLOY(CHINA) LIMITED

JAWAYSTEEL

QD YD HIGH ALLOY TUBE MANUFACTURING CO.,LTD.

QINGDAO JIAHEXIN STEEL CO., LTD

HUAGANG STEEL LTD

WENZHOU SHENZHOU PIPE INDUSTRY CO., LTD