25KW four column high frequency machine

15KW-25KW large four column Longmen high frequency plastic welding machine（high frequency）is used to manufacture different kinds of relative larger scale products’ heat seal: PVC、PU、PETG product process like water bed、mattress、blowing sofa、chair cushion、carpet、embossed cushion、water pool、floating mat、airbed、fitness bed、car cushion、shutter、sun visor、youth swimming pool、PVC folding box and so on. The following swim ring and bath mats are manufactured by the large equipment.