The traces of the Cheong O
Establishment of Cheong O Co., Ltd
Order for roof construction of Incheon Airport Terminal 2
Incheon Paradise City Hotel Corporation Order
Patent Registration (Miseo Window Seal) No. 10-1946902
System window development and testing (see report schedule)
System Window Export
3 million dollars in exports achieved
Design Registration (Frame for Door) No. 30-1127995 Other 5 Types
a million dollar export tower
LS product quality test (confidential, heat penetration rate, water tightness, condensation)