... Factory area:30,000m2 3.Workers: more then 50 twin wall polycarbonate sheets1.Started In 20032.Factory area:30, ... 000m2 3.Workers: more then 100 twin wall polycarbonate sheetsSpecifications:1) Thickness: 4mm, 6mm, 8mm, 10mm ... wind shields of notorcycles. airplanes, trains, liners, vehicles, notors boats, submarines and police glass shields.4. Telephone boths, advertising boards ...