greenhouse Polycarbonate Sheet used for swimming pool 1.Started In 2001 2.Factory ... 3.Workers: more then 50 Greenhouse Polycarbonate Sheet used for swimming pool Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm, ... 1.4, 1.7, 2.1, 2.5, 2.8, 4.37 5) Colors: clear, lake blue, green, ... -insulation walls in expressways and urban overhead highways.8. Agricultural greenhouses and raising sheds.9. Lighting of ...