All Services Engineering & Architecture Design of purified water filling machine $7/hr · Starting at $30 RO water filling machine of 20 liter cans was designed and developed for packing machine manufacturer. About $7/hr · Ongoing Download Resume RO water filling machine of 20 liter cans was designed and developed for packing machine manufacturer. Skills & Expertise DesignProduct Development 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Product DevelopersDesignersMechanical Engineers