Main USES of PVB film extrusion line: 1. PVB automobile safety glass film production line: PVB film is mainly used as the intermediate layer of automobile front windshield 2. PVB building glass intermediate film production line: PVB film is mainly used as the intermediate layer of high-rise building glass 3. PVB solar film production line: PVB film is used for packaging solar film batteries Suzhou Gwell machinery CO. LTD. 's PVB film production line is a reliable brand. China's top three PVB manufacturers are using Gwell's PVB dry process (by roller) and PVB wet process (by water) film equipment. India's first PVB film production line is also made by Gwell. PVB film width: 3600mm(Max), PVB film thickness: 0.38-1.52mm, output: 500-800kg/h, shrinkage: 2%,