Tus kheej-restrained sib koom DI Pipes
Lub npe: Kev sib koom ua ke ntawm tus kheej DI Pipes
Txuj: ISO2531/EN545
Joint Hom: Self-Restained Joint
Tiav: Sab hauv: Cement hauv ob sab phlu nrog tus qauv ISO 4179
Sab nrauv: Zinc txheej nrog Standard ISO8179 thiab Bitumen painting
Qhov Loj DN80 - DN2000