Shenzhen Constant Electronics Co., Ltd. is a high-technology company specializing in researching wireless communication products. Our company was set up in 1993, and owns a professional technology team which constituted by senior experienced technology officers and is 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 a variety of wireless electronic product series: 1. intelligent bus electronic products series; 2. wireless LED electronic display; 3. wireless service calling system. With excellent quality and reliable function, these three series products enjoy honors from plentiful customers, and are sold to more than thirty provinces in China mainland and all over the world. "Constant" becomes customers' ideal brand.
In order to adapt to market competition and trade development, Constant Electronics continually enlarges selling section and warranty service system. We have set up Shenyang main company (Shenyang Constant Electronics Co., Ltd.), Shenzhen Branch Company (Shenshen Constant Communication Co., Ltd.), Beijing Branch Company (Beijing Constant Co., Ltd.) and Chengdu office, and own dozens of agents, which constitute a national selling and service system. With shortening the distance between company and customers, we provide continually the advanced products and perfect service to customers.

We are always here to listen to the needs of our customers and develop new products to meet customers' satisfaction. We sincerely hope to cooperate with customers from all over the world.