is popular the trillion industry technical Limited company is the high beginning, the high standard science and technology enterprise, is mainly engaged in the security electro-optic product the research and development, the manufacture and the sale, for the machine-finishing, the Manufacturing firm provides the safekeeping of security product and the safety work solution. The specialized technology, the advanced equipment, the mature craft, the consummation quality system and the rich safekeeping of security profession experience, is we provides the quality product and the service guarantee for you. market leadership product: The electro-optical protector, the security diffraction grating, the electro-optic protective device, the security electro-optic protector and the feed control machine mechanical press re-equip safely.