... high strength , good flexibility , endurance , corrosi SPE:1130*2.0mm / 1130*2.5mm/ 1130*3.0mm Jiaxing Aokai Construction Material Co., Ltd. is a ... production, sales and service, affiliated by 5 sub-factories, mainly produces environment-friendly PVC 3-layer coextruded roof tiles. and processes plastic ... could promote new products continuously to ensure our company for competitive market competition.