Kub-dip galvanized Angle steel yog xa mus rau Africa

Lub hli tas los, African cov neeg siv khoom yuav kub dip galvanized Angle steel hauv peb lub hoobkas.nag hmo, peb thauj khoom 3 ntim txog qhov kub dip galvanized lub kaum sab xis steel.

Tam sim no tus nqi lag luam steel zoo heev.Yog tias koj muaj kev npaj yuav khoom txog cov khoom steel, txais tos phau ntawv xaj.