Chi Tongda Electronics Co.,Ltd built up in 2002 and located in Shenzhen, Near to HongKong and Macau with the convenient transportation. Wei Tongda is an industry leader in innovative and superior Global Positioning Systems (GPS) products and integrated tracking solutions. Known for its extensive background in Research and Development (R&D), WTD is recognized by large scale corporations as the global leader in GPS tracking technologies. Full OEM/ODM Services from Our In-house R&D Team Combining the in-house R&D team with 18,000 square meters state-of-the-art modern factory, WTD is able to deliver high quality products that are truly innovative for domestic and international markets. WTD's R&D team consist of more than 68 professional hardware and software engineers from China, with more than 10 years experience in design, prototyping, integrating and testing of products that are a true advancement in the GPS tracking industry. Certification Award Focusing on products that are truly superior and innovative, WTD has been awarded China National High-Tech Enterprise, Shenzhen High-Tech Enterprise, Certificated Software Enterprise, Quality Management System of ISO9001:2008, Audited Supplier by SGS, Supplier Assessment by Bureau Veritas Certification (BV), D&B and Intertek. The products have passed the international certification CE, RoHS,FCC, CCC, PAHs, IP65 Waterproof and Certificate of Design Patent. Trusted by Large-scale Enterprises WTD has grown to become one of the largest exporters and manufacturers of GPS tracking products in China. This is a large factor in the reason why WTD has a strong commercial relationship with China Mobile, British Telecom, Digicel, AT&T and Vodafone. Other businesses around the world in Europe, Middle East, Africa, South America and USA, rely on WTD for its GPS products. With an extensive product range covering from simple GPS peripherals to the latest technology in vehicle and personal tracking solutions, WTD delive