... h250-400liter/h7ml/h52×32×30(CM)37KG47This flame polishing machine electrolyze water into hydrogen, then we can use hydrogen ... flame to do polish, and welding. No pollution. Application:This machine especially used in Jewelry, Perspex, electronic, electrical machinery, motol ... the glass bottle, widely used for medicine bottle sealing.LED wafer fusion, peel the computer cable.Hinge the Metal ...