... twin wall polycarbonate sheets 1.Started In 2003 2.Factory area:30,000m2 3.Workers: more then 50 twin wall polycarbonate sheets1. ... area:30,000m2 3.Workers: more then 100 twin wall polycarbonate sheetsSpecifications:1) Thickness: 4mm, 6mm, 8mm, 10mm, 12mm, ... : rated class B17) Sound and heat proof8) Hollow polycarbonate sheeting is an engineering plastic of excellent integration capability. It ...