It adopts galvanized keel with male and female mouths and saves aluminum links with Chinese characters, which effectively reduces the installation cost. The groove and mouth are limited by 3mm, which effectively guarantees the consistency of the board ...
The upper and lower double-layer panels, both sides are turned inward, and the keel grooves are reversely buckled, which play a supporting and fixing role and prevent the panel from falling off. It is an ideal ceiling material.