aoto parts welding equipment Specifications 1.high quality and reasonable price 2.energy saving and light weight 3.environment friendly and absolutely safe 4.ISO ,CE Water welder/Water polishing machine/Water welding machine UQ-series water welder is designed for flame polishing of arclic graving, welding of non-ferrous metal and precision welding of jewelry, necklace. Depending on electrolyzing water to produce hydrogen,oxygen and they burn together through mixing pipeline