WorkVenture gives you an inside look at what it's like to work at Union Precision Engineering (Thailand) Co., Ltd., office & team photos, reviews and more. This is the Union Precision Engineering (Thailand) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Union Precision Engineering (Thailand) Co., Ltd..Apply to SellsukiApply to Armoni HotelsApply to CompassionApply to Regent Jewellery