Welcome you to shenzhen's shang he guang xin technology co., LTD

Shenzhen letter and light technology co., LTD. Was established in 2010, is located in shenzhen baoan district, the company employees 100 people, is a professional engaged in the construction power supply, power adapter, twisted-pair transmitter, POE monitoring peripheral products manufacturing, sales and service in the integration of science and technology enterprises. Through our unremitting efforts, research and development, and marketing, we have become a leading manufacturers and suppliers.