DoorBell

CTO has six core businesses—Manufacturing of Video Door Phone, CCTV camera, Electrical Scale, TFT color module, Metal Tooling, and Plastic Tooling. and the company has the core independent brand of "CTO", and professionally manufactures, develops, sells video door phone, CCTV camera, and many other security electric product and related assorted industries.
CTO’s Security” Is one of the world's leading manufacturers in professional video door phone , CCTV system and security product more. Established in 2000, when China’s electronics industry was still very much in its infancy. From the beginning, it set its sights high and targeted the world’s leading companies and exploited international and mainland markets both.. In 2005, Paili exported goods valued in excess of USD10 million and is currently one of the top export manufactory in this field.