... corrosi SPE:1130*2.0mm / 1130*2.5mm/ 1130*3.0mm Jiaxing Aokai Construction Material Co., Ltd. is a high ... by 5 sub-factories, mainly produces environment-friendly PVC 3-layer coextruded roof tiles. and processes plastic extruded construction ... materials, shaped materials, PVC exterior wall panels, PVC anti-bumping materials, foamed decoration sheets, moldings, PVC foamed shaped materials, wood ...