Changfa Co. Ltd.is the optical lens processing, production of major manufacturers and customers located in South-East Asia and Europe and the United States and other countries. We have a team of professional optical design engineers, with more than a decade of experience in innovation and polished to introduce new technologies, for a variety of optical lens processing and production have unique experience. Can die within 15 days to complete the design and production. The main products: the mouse, the camera lens hood, lightguide plate, infrared detectors and other optical lens, and so on.