Company Profile

Grand Surpemacy Group Co., Ltd. is the factory's representative in Hangzhou, our factory was found on 1984, from ionization technology set foot in lighting decoration and promotion, with hight skill of electronic products, we made design, develop and manufacture, made OEM as well. After 20 years efforts, our products is contain electronic auto decoration, indoor/outdoor electronic sign, advertising lighting, electronic gifts etc, hundreds of design.

The LED writing board has the CE certification, and our material has RoHS certification. And we have the patent of our LED writing board. It has 7 color, 9 type of flashing model, Each color can flashing and steady on separately by a control button. So if you need other information, please contact with me.