Lus piav qhia luv luv:

Stanadard: DIN Siab: PN6, PN10, PN16, PN25, PN40, PN64, PN100 Loj: DN15-DN2000 Hom: Vuam Neck: DIN2631,2632,2633,2634,2635,2637 Plate: DIN2573,2576,2502,2503,2543,2544,2545 dig muag: DIN2527 Screwed: DIN2565,2566 Lapped: DIN2641,2642,2655,2656 Khoom siv: CS RST37.2; S235JR; SS304 / 304L / 316 / 316L / Duplex SS Txheej: Cov roj xeb pov thawj; Xim dub / daj; Galvanized; Epoxy txheej