Shenzhen Zhoutu Science & Technology CO. Ltd. integrates manufacture, sale and project service. Its products cover: 1. indoor SMD 3-in-1 modules, 3-in-1 full color modules, cabinet and LED display 2. outdoor modules, cabinet and full color display 3. outdoor 5050 modules, cabinet and full color display 4. outdoor full color display 5. outdoor single color, tri-color 6. units with various specifications, a number of modules in stock