a, plastic wall panels b, Got CE,SGS,ISO certification c, Obtained patents d, 20 years fade & ageing warrant 1) 2011 New style plastic wall panelsextruded under high temperature and pressure ,whose main material (about 60%) is natural wood or bamboo powder,mixed with plastic ,mainly polyvinyl chloride or polyethylene (about 30%) ,added necessary chemical additives ,such vesicant , anti-oxidants, ...