Our company was established in 2002, noce called Shenzhen L&D.tech.co.ltd., which product professional Mental detectors ,eas system . After 8 years development, our technology of mental detectors is meeting the international high level and we have got a number of national patent. We have more than 3,000 square meters of research and production base and 1,000 square meters workshop in national new and high-tech development district in Shenzhen. Over the years, we are providing quality products such as underground metal detectors, hand-held metal detectors , eas antenna  and metal detector doors. We insist the idea "quality is life of the company" ,so we implement  "Two years free warranty, life-long maintenance" for all products and offer the quality service.                                       We established a sound quality management system, and have through ISO9001: 2000 international quality system certification