Shenzhen Constant Electronics Co., Ltd is a high-technology company specializing in researching wireless communication products. It set up in 1993, and owns a professional technology team which constituted by senior experienced technology officers and engaged in wireless technology researching and single-chip system developing. We have advanced manufacturing technology, perfects checking equipment, scientific arrangement and strict quality guarantee system.

We have plentiful wireless electronic products series: 1. intelligent bus electronic products series; 2. Wireless LED Electronic Display; 3. Wireless service calling system. With excellent quality and reliable function......