Child care for the elderly GPS locator, GPS vehicle locator, locator manufacturers, the preferred An Lijia Website: http://www.sjt.hk ... of Shenzhen City, founded in 2000, is specialized in GPS locator, GPS locator and other R & D, production and sales of high ... devices, personal GPS positioning watches. Shenzhen old phone GPS locator, phone GPS locator old supplier, please find An Lijia, please contact ...