Shenzhen CASTEL Wireless Telecommunications Co., Ltd. (hereinafter referred as "CASTEL Wireless"), is a subsidiary of China Aerospace Science and Technology Corporation (CASC). As one of the co-founders of China GPS Association, CASTEL Group has more than 15 years experiences in GPS and LBS application, wireless, communication and access, and are engaged in R&D and manufacturing and provisioning of customized integrated solutions.

Supported by rich technology resources of China Aerospace Industry and strong R&D expertise in Shenzhen, China and HK Science & Technology Park, our products have been sold worldwide with good reputation and quality, CASTEL Wireless has become a high-tech enterprise which providing R&D, manufacturing, marketing and operation service.

CASTEL has more than 10,000sqm workshop which is located at Pingshan, Longgan, Shenzhen, it is a ISO9001:2000 and ISO16949 company approved by UL company in US, all SMT, assembling, packing procedures are completed in our own factory to guarantee the product quality.