Zhengzhou Litsign Optronic Technology Co.,ltd(old name: Zhengzhou Zeyeng Electronic Technology Co.,ltd) is national highly support and high-tech company founded in 2012,focus on designing and producing real estate agent wall mount and hanging acrylic led light box,restaurant menu board,shopping mall billboard,stores led sign,3D holographic fan display etc,have a factory with 8000 square meters,70 skilled workers,10 bachelor and master degree engineers,20 oversea sales.We have QC department and After-sales department to make sure product quality and after-sales service.