... customized: advantage ♦ WS WPC is totally maintenance free and there is no painting, preserving or oiling required, WPC product can be ... anti-slip, less cracking, less warping, 5. Requires no painting, no glue, low maintenance 6. Weather resistant, suitable from minus ... proof 8. Available in different colors 9. Easy to install and clean certifivate ISO 9001 Certification & ISO 14001 Certification, CE, ...