DPES Expo Guangzhou 2021

DPes yog kev tshaj lij hauv kev npaj thiab kev npaj ua haujlwm nthuav qhia thiab rooj sib tham. Nws tau nqus tau 16 tshooj ntawm DPES kos npe & LED Expo Tuam Tshoj hauv Guangzhou thiab zoo lees paub los ntawm kev tshaj tawm kev lag luam.