nanjing donghuang electronic technology co., ltd. specializes in lcd splicing screens, lcd splicing walls, LED the production, research and development, design, installation, commissioning, and after-sales service of display screens, advertising machines, queue calling systems, lcd monitors, image splicing machines, splicing controllers, network tv walls, signal processing equipment and various matrix products. it has its own brand "huangxian", and is a high-tech technology enterprise; contact number: 4000250608
www.njdonghuang.com network applications 2025-03-31