Hanulsem is a hydrogen water generator featuring concentration of dissolved hydrogen above 1000 ppb, strong maintenance of hydrogen density, safety and odorlessness by complete isolation of O₃ through a special diaphragm, cleanness with non-leakage, excellent durability by a capacity of platinum and titanium electrode, and easy chargeability with a USB.
Hanulsem works for five minutes in blue light and eight minutes in green light. It is chargeable in 90 minutes. Its input voltage is AC 100~240V with 50~60Hz and output power is DC 5V and 1.2A.

Since its establishment in 2017, Gungangsarang Korea Co., Ltd. has specialized in producing and exporting portable hydrogen water generators as well as hot and cold hydrogen water dispensers and modules based on its cutting-edge technology.
Recently the company has developed the more upgraded portable hydrogen water generator Hanulsem with a 350 CC capacity and a size of 70mm (width) x 70mm (dimension) x240mm (height). The company’s research and challenge to create customer value will continue, as it advances toward realizing its dream of becoming the world’s no.1 hydrogen water company.
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