WorkVenture gives you an inside look at what it's like to work at U.p.t. Groupk Co., Ltd., office & team photos, reviews and more. This is the U.p.t. Groupk Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at U.p.t. Groupk Co., Ltd..Apply to ASP PermkijApply to ZerowesteApply to vivoApply to Thai Optical