Hana Engineering Corp.

July,1998 established hana engineering co. Ltd.

Aug,1998 developed 'duty solenoid valve'(patent no.98-29001)

Oct,1998 developed 'injector protection device'(patent no.98-53723)

developed 'accelerator'

Jan,1999 developed 'feed back mixer'- lpg engine control unit.

Mar,1999 developed 'gasoline fuel cut solenoid valve'

Aug,1999 'china lpg system' approved by chinese government.

passed 'korea automotive exhaust gas regulation'

(gb 14761-1999)

Oct,1999 developed 'lpg fuel indicator'

developed 'feed back ecu-mechanical type'

Jan,2000 developed 'lpg solenoid valve'

Apr,2000 developed 'multivalve on cylinder-russian type'

Jun,2000 developed 'feed back ecu-electronic type'

Oct,2000 developed 'vaporizer-electronic type'

Mar,2002 got ' iso-9002& qs 9000'