Yam Taw Qhia:

Hluav Taws Xob Offset Daim Kab Xev Insulator
1. yas ua los ntawm PP nrog UV inhibitor.
2. hlau ua los ntawm galvanized hlau.
3. khaws cov xov hluav taws xob nyob deb 20cm ntawm tus ncej.
4. rau kab xev txog 40mm dav thiab polywire txog 6mm.

daim ntawv thov: