Shanghai 21st Century Electronic Equipment Co., Ltd. is wholly owned subsidiary of Shanghai Tymex Tools Co., Ltd. It is a Hightech enterprise in Shanghai. It's also a qualified metrology unit audited by Shanghai technology & Quality Bureau. It was established in 1998.Our company has a high qualified R&D team. We have developed more than 40 models of metal detectors and electronic tools from analog to digital, from low to high end.To ensure the top quality, we have full set of rigorous proceeding technology with relative tooling and special facilities. Our quality management system is approved by ISO-9001. All of our products are certified by CE,RTTE,FCC,EMC,UL.Believing in integrity highest , quality first, we have been developing more and more new products sold to over 40 countries and regions. We are the most trusted supplier of many famous companies in the world. Our famous customers are WALTMART, KMART, RADIOSHACK, CIRCUIT CITY AND CARAFOUR,ETC The firstclass quality is the best trade mark. Our future permanent advantage is learning (more) and faster than others. We'll supply newest and excellent products to all of our customers and make mutual brilliant progress together with them.If you would like more information about our company, products or services, please contact us or visit our website for more details. www.tymextools.com