This Challenge is set up in the shape of the inner arc, giving an immersive encounter of digital commercialization providers. It adopts a P2.five higher-definition display screen, with a location of 40 square meters. 优化产品体验，修复若干问题。使用中有任何问题或建议，请前往【设置�?- 【帮助与客服�?- 【意见反馈】中告诉我们哦！ HSC LED is producing led display in 2012 and custom led dis... https://www.leddisplayfactory.com/