Lus piav qhia luv luv:

Standard: THREADED HOM UNI 2253-67 PN6 UNI 2254-67 PN10 UNI 2255-67 PN16 Loj: DN10-DN2000 Khoom siv: CS RST37.2; S235JR; C22.8, SS304/304L/316/316L; Duplex Stainless Hlau Txheej: Xeb-pov thawj roj; Xim dub / daj; Galvanized; Epoxy txheej