Txog Peb - CHG

Peb yog cov chaw tsim khoom ntawm txhua qib ntawm oxidized bitumen thiab membrane cov khoom muaj xws li bitumen 115/15 150/5 110/30 85/25 90/15 95/25 75/25 90/40 thiab waterproofing membrane hnyav puag thiab dej puag, APP, SBS, Foil thiab granule kuj rubberized rwb thaiv tsev khoom