2018

• 2018. 01Registered the patent 『Portable water purifier』
• 2016. 11Performed sterilization facility support project in Pakistan
  
• 2016. 07Performed sterilization facility support project in Cambodia
  
• 2015. 04Acquired Hygiene Safety Standard (KC)
• 2010. 02Signed the agreement 『chlorine injecting system』 with Public Procurement Service
• 2006. 05Registered the patent 『Device for projecting chlorine in water supply system』
• 2000. 06Established the corporation