Changsha City Okay Energy Equipment Co., Ltd. is located in Changsha City, Hunan Province, China. Hydrogen Generator, Oxy is a specialized in researching and manufacturing Oxy-hydrogen Generators, Water Welding Machines, Flame polishing machines and other products. Integrity is our promise, and quality is our goal. We have kept close cooperation with institutions of higher learning for several years. All of our products are manufacturing in accordance with the international quality management system and will do rigorous tests before delivery. We have 5 utility model patents. We have a professional technology development team which has 20 technical personnel and more than 50 production staff members. Many clients have purchased our machines for six years and the machines are still in good condition. <br /><br />Read more Information, please visit our website: www.okayny.com/English