★Golden tsum rau headphone hardware qauv
★Tuam Tshoj ua cov chaw tsim khoom nyob rau hauv lub zog tam sim noconnector kev lag luam
★Cov neeg muag khoom nyiam rau rail transit fais fab system
★Cov neeg muag khoom nyiam rau lub tsheb fais fab xwm txheej ceev,fais fab system thiab ups fais fab kev txuas
★Golden tsum rau BOSE / AKG / JBL
★Official tus khub xeev grid corporation ntawm Tuam Tshoj
★Tus neeg muag khoom raug xaiv rau huawei
★Tus neeg muag khoom rau philips coj cov khoom lag luam
★National high and new technology enterprises
★Shenzhen council rau kev nce qib ntawm e-kev lag luam