greenhouse Polycarbonate Sheet used for swimming pool 1.Started In 2001 2.Factory area:600,000m2 3. ... Workers: more then 50 Greenhouse Polycarbonate Sheet used for swimming pool Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm ... industry.6. High class indoor decoration, such as walls, windows roofs and screens.7. Sound-insulation walls in expressways and urban ...