Aug. 1971

Dong-A Architecture Research Institute

Mar. 1973

Jin-Hae Architectural Plan and Design Co. JinHae

Mar. 1997

Firm of HaeDong Intergrated Qualified Architect Established an Associates of Architectural Supervision (Reg.No. : Gyeongnam-326)

Aug. 1998

Firm of HaeDong Integrated Qualified Architect (Reg.No. : Gyeongnam-326)

May. 2000

Firm of HaeDong Integrated Qualified Architect (Reg.No. : Gyeongnam-636)

Dec. 2005

Firm of HaeDong Plan & Design Qualified Architect (Reg.No. : Gyeongnam-326)