应用
流体管, 锅炉管, 钻杆, 液压管, 煤气管, 输油管, 化肥专用管, 结构管
特殊管
API 管, 其它, EMT 管, 壁厚管, welded pipe, seamless pipe, square pipe
认证
API, CE, BSI认证, RoHS, SNI, 之二, SASO认证, PVOC, SONCAP, SABS, sirm, tisi, KS, JIS, GS认证, ISO9001
Surface Treatment
Hot Rolled
Oiled or Non-oiled
Non-oiled
Invoicing
by actual weight