WorkVenture gives you an inside look at what it's like to work at Wang Chang Engineering Co., Ltd., office & team photos, reviews and more. This is the Wang Chang Engineering Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Wang Chang Engineering Co., Ltd..Apply to BumrungradApply to E&S EnterpriseApply to Boon Rawd BreweryApply to Thaisia Engineering