· Acquired INNOBIZ certificate

· Acquired ISO 45001 : 2018 Research start up w/ Korea East-West Power

· Selected as an excellent research small and medium-sized company by Korea Midland Power

· Attracted investment from ECO & DREAM Co., Ltd.

· Acquired ISO9001: 2015 certificate

· Atmospheric environment specialized construction business registration

· Patent registration for heat recovery boiler system for combined power generation

· Patent registration for regenerative selective catalytic reduction device, established new technology

· Entered the power plant SCR business by registering GS Power Co., Ltd. construction, service, and qualified company certification

· Established KIYEON E&C's own factory

· Patent registration for manufacturing method of specific solvent-targeted active metal-impregnated activated carbon fiber

· Patent registration for Ozone decomposition catalyst and manufacturing method patent registration

· Venture company confirmation certificate

· Established an affiliated research institute

· Acquisition of construction business license for mechanical equipment construction business

· Addition of mechanical facility construction business, environmental machinery facility and facility operation business, etc. to the business purpose

· Established for the purpose of wholesale and retail business of nanotechnology and nanomaterials such as catalysts