Shenzhen appropriate Antwerp's digital technology Co., LTD. Is engaged in commodity, .ltd security series products and supporting the specialized manufacturer. DuoNian to have been engaged in commodity security system of product development, development, production, sales. The burglar.ltd series products and consumables has cost performance of leading industry advantage. Company production flexible mode of operation, in addition to have independent outlet, office outside, still and the agents, dealers to establish a wide range of cooperation and mutual benefit relationship, at the same time in OEM, ODM production methods for each big brand provide security equipment and consumables, free for each level provide technical.