Ib Sab Threaded Nipple

PebIb sab threaded txiv misyog ua los ntawm cov ntaub ntawv zoo, nrog rauASTM A234 WPB 1thiabASTM A105 cov khoom siv, uas conform

rau ntau yam qauv tsim xws li ANSI, JIS, DIN, EN, API 5L, thiab lwm yam. Tsis tas li ntawd, peb tau ua tiav cov ISO9000

Quality System certification. Cia siab rau peb cov kws tshaj lij thiab so kom paub tseeb tias peb cov khoom ua tau raws li cov qauv kev lag luam siab tshaj plaws.