1, GEM WPC decking is beautiful and elegance 2, be 100% recyclable 3, easy installation, low-cost maintenance 4, ASTM passed GEM is a ... 3) A new environment-friendly decorate material* Advantages of GEM’s WPC 1) insect-resistant, water-proof 2) aging-resistant, ... catalog. Better outdoor life with GEM WPC! "The Best Price, The Best Quality, The Best Service" is our Faith! no cracking!WPC decking