... 3.Certifications: CE, ISO, SGS WPC Products ,Wood Plastic Composite:Wood plastic composite material is a new innovation in outdoor ... white ,redwood etc. optionalSurfaceSmooth,Brushed,Scratched,Grain&Sanded optionalComponent45% wood fibers +45% HDPE+ 10% chemical additivesWarranty period15 yearsCertificateCE,ISO ... is approved by CE,SGS,ISO. Packing Wood plastic composite decking boards for outdoor