WorkVenture gives you an inside look at what it's like to work at O.k. Engineering Hitech Co., Ltd., office & team photos, reviews and more. This is the O.k. Engineering Hitech Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at O.k. Engineering Hitech Co., Ltd..Apply to Electronic TransactionApply to TMFApply to SudtanaApply to WV