Youbest Welding Ltd is one of the leading China longitudinal seam welding machines yb-hl manufacturers and suppliers, welcome to wholesale cheap youbest welding or cutting longitudinal plasma seam welder from our factory.HL Longitudinal Seam Welding MachinesProduct DescriptionsHL Longitudinal Seam Welding Machine is used to weld outside seams of medium wall thickness tank.It supports Plasma, TIG and MIG/MAG welding process. The material processed can be carbon steel, stainless steel, aluminum alloy, titanium alloy and so on. It is widely applied in various applications of food machinery, dyeing and finishing equipment, power switch bus bar chamber, medical instrument, special material pressure vessel, electric power pipeline, air conditioner shell and so on. The fixture can be added with height blocks and protection devices.