Shenzhen ZhongGuan Optical-Electronic Technology Co., Ltd. was founded in 2003, it is located in Che Kung Miu Tian'an digital city, which is in the top ten private science parks of China. It is an integrated private science and technology enterprises, which has development, manufacture and sales for IC development, LED packaging and LED lighting products.

Our company has the professional technology development personnel and an experienced sales team. We established a strict quality management system to ensure the quality of our products, and adhere to the high efficiency, high quality convenient service for a win-win cooperation and common development. We strive to maintain the trust and customer satisfaction. Our company will use regional technology and talent advantages to absorb and introduce high-end packaging technology and we'll build the largest LED R&D base and high-level packaging production base to edge ourselves into the top position of the domestic LED lighting field.

Our Digital tube is made of a plastic PC inside with a circuit board with an LED on it. The LED digital tube can be divided as a single color tube or a mixing color tube to define it's color. The latter also can be classified as inside control and outside control according to its controller mode. The LED digital tube is mainly used in engineering lighting, and can add it to the building outside lighting. For the high pixel (more than sixteen segments) we can show the display screen and flash effects. Usually the single LED tube we called outline tube, high pixel LED tube is usually referred as digital tube which can be displayed on a huge screen. Common color changing effects have gradual changing, jump change, ripple effect, chasing effect, and the opening/closing effect and so on.