O’s&Tec Co.,Ltd. has developed high voltage generator for maintaining freshness “Wi-Free”. It provides the world’s first comprehensive technology solution to food storage by combining freezing and refrigeration technology with high voltage and low current. It realises high performance with low price by the company’s special relay system so that the technology can be used in a wide range of applications. “Wi-Free” can maintain freshness and store products in a wide area without freezing in the temperature range from 10℃ to -10℃. As a result, long term preservation of one to ten months becomes possible. 

“Wi-Free” can yield great opportunities for food and agricultural business in developing countries. The product can make stable supply of food, secure income by storing food for long time to export overseas, and produce high quality frozen food products.