1.Hydrogen Oxygen Gas Generator 2.HHO generator 2.energy saving, the resource is water 3.can use for heating, ... are professional manufacturer of HHO Generator; This machine is an Energy Saving and no pollution product. It consumes water and electricity, ... together for boilers, cooking stoves, melting metals. Features: 1. Energy Saving more than 30% compared with trational acetylene flame. 2. Without ...