WorkVenture gives you an inside look at what it's like to work at TRI-EN SOLUTION Co., Ltd., office & team photos, reviews and more. This is the TRI-EN SOLUTION Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at TRI-EN SOLUTION Co., Ltd..Apply to ATA IT LIMITEDApply to Le LapinApply to HitachiApply to International manpower