Shenzhen Guandinghang Industry Company Ltd., As one of the professional AC LED COB manufacturers and leading exporters in China, we specialize in AC COB AND AC SMD LED research, manufacture, sales and service. We have an experienced technique team that can ensure you of the best service, competitive price and guaranteed quality. Our company adopts advanced automatic equipment. Our products are available with international CE certificates. Moreover, our powerful engineering team can improve our OEM services for clients continuously. Our markets cover all over the world, and our products have been sold in Europe and the United States, Japan, and many other foreign markets. Please visit our website and you will find that we will be one of your best partners in the AC COB LED. Please do not hesitate to contact us.