WorkVenture gives you an inside look at what it's like to work at Koo E. Hah Ltd., Part., office & team photos, reviews and more. This is the Koo E. Hah Ltd., Part. Company Page. All content is posted anonymously by employees currently or previously working at Koo E. Hah Ltd., Part..Apply to Sun SeriesApply to iso 14000Apply to Siam WellnessApply to Triumph