Shenzhen Yongjingda is a subsidiary of Changlin Monitors. It is a professional company mainly engaged in R&D, production and sale of monitoring system products. It, by right of its hi-tech, creates the world-level fine monitoring products, has great effect and enjoys high reputation in the industry.

The launched SUPAR series and all-in-one camera is the representative of Yongjingda products. Taking the customer satisfaction as the market guide, Yongjingda sets up perfect customer service system, provides quick, professional and standard service in these aspects including business consultancy, planning, design, ,development, sale, installation, debugging and after-sale service and satisfies the customers by means of innovative solutions. So far, Yongjingda has set up agents in each place of China.