Beijing Li Te Long Photoelectric Technology Co., Ltd. is a technology-concentrated enterprise integrating research, development, manufacture and sales service. We are specialized in producing fluorescent screens and are one of the most professional ones in the world. Our main products include LED Fluorescent Handwriting Screens, Highlighters, Brackets, Special-purpose ink for fluorescence screens and other series of products. Our products are widely used in the stalls of shopping malls and ...   |