NZM-4000 SPM Welding Machine is specialized designed for surface, the specification as follows(web: www-dot-jinanjili-dot-com, emai:jilimachine-at-gmail-dot-com): This machine is specially used for surface welding of rollers or revolving body so as to repair the wearing rollers and make them be wear-resisting, corrosion-resisting and temperature-resisting and etc. We can manufacture the single-wire surfacing welding machines, double-wires & single-arc surfacing welding machines, strip welding machines, double or multi-head surfacing welding machines, single or multi-head weaving welding machines and so on according to the actual requirements of customers. We can make the performance-cost ratio of welding machines to be the best by the effective optimization so as to meet the requirements of customers.