GRAND STEEL pride itself as a global industry leader, supplying the widest range of steel pipe at highest quality to our clients since 1999, with view cater Oil & Gas and other field Supply all over world. GRAND is major exporter, stockiest wholesaler Oilfield Supplies, maintaining large ...
Telephone:86 - 0532 - 66697611
Address:NO.10 Liaoyang Road Qingdao Shandong 266000 China