1987

9.1Liquid Ring Vacuum Pump (15HP∼25HP) ) development is completed, And order production is initiated

1985

4.1Liquid Ring Vacuum Pump (3HP∼10HP) development is completed, And order production is initiated

1983

5.1Liquid Ring Vacuum Pump is developed

1978

7.1Liquid(Water) Ring Vacuum Pump Sales and Repair Business

1975

8.1Vacuum Pump (OIL ROTARY) Sales and Repair Business

6.1Han Chang Machinery is established in 168 beon ji, Bujeon 2 dong, Busanjin-gu, Busan, Republic of Korea

1996

9.1Change company name from Hanchang machine to Hanchang vacuum

1994

9.1HWVP-1-100(3HP)∼HWVP-1-3400(100HP) HWVP-2-085(3HP)∼HWVP-2-2800(100HP) , starting mass production for its items

5.1Liquid Ring Vacuum Pump (75HP∼100HP) development is completed and order production is initiated

1993

12.1Liquid Ring Vacuum Pump (50HP∼60HP) development is completed and order production is initiated

11.1Seoul sales office, Busan sales office, Daegu sales office is established

5.1HWVP-2-085(3HP)∼HWVP-2-1000(40HP) starting mass production for its items

1992

10.1Liquid Ring Vacuum Pump (30HP∼40HP) development is completed and order production is initiated.

1990

5.1The factory is expanded and relocated. (362-10, Doekgye-ri,Ungsang-eup, Yangsan-si, Gyeongsangnam-do, Korea)

2010

5.1Selected as Venture Corporation from Korea Technology Finance Corporation

3.11st stage Liquid Ring Vacuum Pump(150HP) development is completed and order production is initiated

2007

5.1The Registration of Power Facility Service Company of Korea Southern Power Co., Ltd.(Axial Flow Pump, Diagonal Flow Pump &Centrifugal Pump)

2006

8.1Direct Liquid Ring Vacuum Pump(3HP, 5HP)development is completed and order production is initiated

2005

4.1ISO 9001 SYSTEM Certification in acquired(KAB:Korea Certification Association)

2001

12.1The factory is expanded and relocated. (540-3 Junam-ri, Ungsang-eup, Yangsan-si,Gyeongsanganm-do,Korea)