... welding, heating, flame polishing, glass processing and jewelry processing.Why we use Okay oxy-hydrogen generator:1. Portable, flexible and movable ... -Computer Interaction interface, be convenient to operate.10. Precise flame gun and kinds of precise nozzle sold free with machine to ... Bottles 1~10ml,1~5ml is the best1~20ml Portable high efficient Brown Gas Generator/Oxyhydrogen Generator OH100-OH600