Zhengzhou Sofine Precision Machinery Co., Ltd. is a professional manufacturer of oxyhydrogen equipments in China with about 10 years experiences. Now we produce several models of hydrogen oxygen gas generator, also named water welding machine and oxyhydrogen flame polisher with gas production ranging from 75 liter/hour to 600 liter /hour.The safe, clean, super-high temperature and highly controllable oxyhydrogen flame combined with their ease of use make them the ideal tool for polishing acrylic or plexiglass; melting, making and mending jewelry; sealing quartz-glass bottles; soldering enameled wires and other precision soldering and welding industries. We have independent R&D, design and production team and provide comprehensive service-from your initial inquiry to your order and then providing ongoing maintenance and support with expert technical advice. We have gotten CE certificate tested by SGS. And all our oxyhydrogen equipments meet CE standards. To make an order or