Established Green Technology solution inc. (EnergyZeroUSA launching)
- 03. Certified as technology innovative small and medium business company(INNO-BIZ) level A(Small and medium Business Agency)
- 03. Certified as business innovative medium sized business(MAIN-BIZ) (Small and medium Business Agency)


- 11. Signed with CalderaSpa agency in Korea
- 09. Obtained ISO 14001 certificate


- 03. Launched L'asis, PerSpa


- 03. Completed developing MICRO BUBBLE SYSTEM


- 03. Developed temperature control system bathtub


- 05. Resumed ISO 9002,KS
- 07. Obtained permit to manufacture medical equipments(No. 2008)
- 11. Selected as KOLAS inspection agency


- 11. Completed to automatize the second factory production line


- 02. 22 Obtained Korea industrial standard No. 99-0417 (Korea Standard Association)
- 09. Obtained ISO 9002 certificate
- 11. Expanded production line


- 03. 20 Selected as quality assurance company (Korea Testing and Research Institute )


- 04. 28 Officially registered in Korean Standard Association(No. 9410152)
- 05. 12 23 items other than bathtub applied for patent
- 05. 31 28 trademarks applied for patent
- 09. 28 Established second bathtub factory


- 10. 02 Obtained factory certificate for caustic soda and related product


- 04. 30 IRIS trademark registered (NO. 36782)
- 07. 16 U-IN IRIS trademark registered (No. 243900)
- 09. 07 Selected as promising medium sized enterprise KB bank No. 9-10)
- 10. 06 Obtained factory registration for construction plastic product


- 02. 14 Obtained certificate to produce high-pressure gas


- 10. 17 HISOL trademark registered (No.118097)


- 07. 16 SUPERTRI trademark registered (No. 103122)


- 03. 22 Expanded and relocated factory (Incheon - Pyeongtaek)


- 08. 31 Established Uin Chemical Co., Ltd.