Peb tsim cov hose coupling nrog zoo.Lub hose coupling roj foob yog ua los ntawm cov roj hmab ntuj (tsis siv roj hmab).Thiab cov hlau tau xim zinc plating.
Peb hose coupling muaj zoo heev nyob rau hauv ductility thiab zoo heev roj repellent nyhuv.
Koj tuaj yeem sib piv peb cov hose txuas nrog lwm tus neeg muag khoom '.