Which security company is the security guard of Shenzhen Metro Line 4?

Ensure safety. According to the query of Zhaopin. Com, the security of Line 4 is provided by Shenzhen Gufang Security Service Co., Ltd., and its address is in clear lake subway station. Shenzhen Metro Line 4, the second subway line in Shenzhen, Guangdong, China, was put into operation. The first phase of the project was opened on February 28th, 2004, and the second phase was opened on June 28th, 20 1 1.