SMD LED Chip Diodes - Tuozhan Opto is 3mm red and blue color manufacturers and suppliers in China who can wholesale 3mm red and blue color. We can provide professional service and better price for you. If you interested in 3mm red and blue color products, please contact with us. Tips: Special needs, for example: OEM, ODM, customized according to demands, design and others, please email us and tell us detail needs. We follow the quality of rest assured that the price of conscience, dedicated service.