polycarbonate hollow sheet 1.Started In 2003 2.Factory area:30,000m2 3.Workers: more then 50 polycarbonate hollow sheet1.Started ... 20032.Factory area:30,000m2 3.Workers: more then 100 polycarbonate hollow sheet Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm, ... : rated class B17) Sound and heat proof8) Hollow polycarbonate sheeting is an engineering plastic of excellent integration capability. It ...