한국코로나

04Wall-type air cooler, fan for cooler, case design registration for air cooler

04Signed an agency contract with VAILLANT in Germany, Gangnam and Seocho

03Signed an import and supply contract with ENGIE in Germany

03Signed a contract to import and supply products with WEISS in Germany

12Sihwa MTV Complex Korea Corona Co., Ltd. new factory construction completed

10Acquisition of Rosenberg Korea stock 60%

08Overseas construction business registration (mechanical facility construction business)

06Sihwa MTV Complex Korea Corona Co., Ltd. Factory new construction started

03Registered for manufacturing air conditioner and refrigeration equipment

03Sales of Korea Corona Co., Ltd. plant in Moknae-dong, Ansan

01Korea Corona Co., Ltd. relocated address to Singil-dong, Ansan

07Registered design of dust collector for roasting coffee beans

01Demolition, deodorization, dust removal device for roasting coffee beans

06Signed a contract to move into the Sihwa MTV complex factory

06Registered nozzle design for burner

06Corona trademark registration

05Trademark registration of Corona Co., Ltd.

02Acquired a patent for a nozzle for a rust-reducing burner

12Signed a contract to import and supply heating and cooling equipment with Vaillant, Germany

05Acquired 2 types of gas facility construction industry

05Acquired mechanical equipment construction business

11INNO-BIZ corporate certification

11Acquired a patent for burner combustion device

02Acquired a patent for burner nozzle device

12Acquired a patent for tubular heating device

04Changed company name to Korea Corona Co., Ltd.

08Promising Small and Medium Business Certification (Gyeonggi-do)

05Venture business certification (Small and Medium Business Administration)

04Japan Corona technology cooperation

03Far-infrared tube heater utility model registration

02Registered utility model for far-infrared heater that can be used for LPG

12Low-Nox Utility Model Registration

12Establishment of Thermal Fluid Technology Research Center

10Registered the practical trust of low noise silencer for forced mixed gas burner

07ISO 9001 recertification

08Change of stock transfer and transfer CEO (CEO: Jaeyong Choi)

03Acquired ISO 9001 certificate

04Change of stock transfer and transfer CEO (CEO: Yeol Choi)

06Acquired patent for low-nox burner

05Forced Mixed Gas Burner

08Acquired gas burner manufacturing and sales license

05Completed inspection of forced mixing gas burner (15 types)

02Acquired gas appliance manufacturing license and completed detailed inspection (capacity 15,000 ~ 3,000,000 kcal/h)

07Type approval for heat-use equipment (15 types including MGE-20F)

06Permission to manufacture heat-use equipment

04Registered as a foreign-invested company

04Japan Co., Ltd. Corona technology alliance

03Purchased a factory in Banwol Industrial Complex, 399-2 Moknae-dong, Ansan-si, Gyeonggi-do (Land: 3,166.5㎡, Floor space: 758㎡)

02Approved by foreign investors (Ministry of Finance)
Investment amount: 696,000,000 won (US$800,000)
Investment ratio: 100% (Japan Corona Co., Ltd.)