Hangzhou Xiaoshan Argraff Dinas Strwythur Dur Prosiect Gwrth-Corrosion

Prosiect:Hangzhou Xiaoshan Argraff Dinas Strwythur Dur Prosiect Gwrth-Corrosion.

Epocsi sinc Rich Primer + Epocsi Haearn Ocsid Paent Canolradd + Gorchudd Top Fluorocarbon.