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, 其它, Pipeline Transport, Boiler tube, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, building material
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