- 1982.  4

Foundation of Won Chang Vacuum Co.

Start production of Oil Rotary Vane Vacuum Pump

- 1986.  3

Start to produce Parts and Accessories

- 1989.  3

Start to produce Dry Rotary Vane Pump

- 1992. 10

Larger pump manufacturing (Over 3000L)

- 1997. 11

Start to export Oil Rotary Vacuum Pump and Dry Rotary Vacuum pump.

- 1999.  2

Set-Up of Distribution Network in U.S.A

- 1999. 10

Move to current factory site at Daegot Myeon, Kimpo City.

WO

 V

P 

WO : Won Chang

V : Vacuum

P : Pump

Oil Rotary Vane

Dry Rotary Vane

WOVP - 0020N,0020L

WOVP - 0040N,0040L

WOVP - 0060N,0060L

WOVP - 0090N,0090L

WOVP - 0130N,0130L

WOVP - 0200N,0200L

WOVP - 0320N,0320L

WOVP - 0430N,0430L

WOVP - 0350N,0350L

WOVP - 0500N,0500L

WOVP - 0800N,0800L

WOVP - 1200N,1200L

WVS- 3

WVS- 5

WVS- 6

WVS- 8

WVS- 9

WVS- 30A

WVS- 50A

WVS- 60A

WVS- 80A