... sidewall welding machine 1)double side sealing 2)high frequency welding 3)ISO9001:2008 and CE 4)fine workmanship,reliable sidewall welding ... machineDescirption this high frequency machine is suitable for these material like ... ,trademarks,garments,shoe and cap embossing,leather embossing;gas mattress,boat,life jacket,toy,stationery,raincoat,plastic ...