Having researched for 30 years in water, D&D Electronics. Co., Ltd made the first sanitizer generator named NaOClean in the early 1990's, which produces automatically sanitizer using only a small amount of salt, water and an electricity. Our generator has been serving in many places for health care and hygiene including public shcools, government organization, fish/meat/vegetable processing plants, restaurants, military, farms and so on. -In 1983, We developed the first sterilizing humidifier by electrolysis. -In 1994, Transfer of technology to Japan when the 0-157 Escherichia coli was occurring. -In 1999, Launched sanitizer generator for washing vegetables (model: DES-4000, 8000) -In 2006, Launched Hand sanitizing system for school students (model: DES-H200) -In 2008, Launched High-pressure sterilizing washer (model: DES-WA50) -In 2009, Launched NaOClean for family use (model: DES-P450) -In 2012, Launched pedal system for personal hygiene (model: DES-WS850) -In 2013, Launched wall mounted NaOClean system with high capacity (model: DES-10K) Launched NaOClean system for agriculture (model: DES-8000A) As a result, many schools and governments in Korea are using our system and we rank No.1 in terms of market share in the sanitizer generator. In addition, for home use, NaOClean (model: DES-P450), is becoming standard equipment in most Korea's apartments. Also, we have approved for safety and effectiveness of the devices by Korea Food and Drug Administration (KFDA) and NaOClean system is very different from the chemicals because it dosen't make any harmful effect for human body and environments and more less residual chlorine 1/100 times fewer than chemicals.