We, Vanguard Security Engineering Corp., was established in 1992. Vanguard is an ISO 9001 certified manufacturer and all our locks and peripherals are manufactured under strict ISO 9001 quality management system. Relying on premium quality for our products and dedicated supports from the sales people, Vanguard is now a leading manufacturer in the world for electric locks. Our products have been integrated in numerous public and private projects, both in the local market and around the world under highly recognized brand names on diverse locations such as airports, mass transit systems, hospitals, dormitories and office buildings. All our products have been tested and certified by independent test laboratories for CE approval, and the majority of our electro-magnetic locks and door holder are UL listed.