Who is the security company of Xi subway 10 line?

Xi an security service company. According to relevant public information, Xi 'an Security Service Company is the first security company in Xi to undertake subway security work. At present, it is responsible for the security services of Xi Metro Line 2, Line 3 (Bao 1), Line 4 (Bao 2) and Line 10. Over the years, because of its civilized duty and enthusiastic service, it has been well received by provincial and municipal government leaders. Xi 'an Security Service Company was established in 1989 with the approval of Shaanxi Provincial Public Security Department.