According to enterprise data, Shanxi Dazheng Security Service Group Co., Ltd. was established on April 25, 2007, and its business scope includes 1. Escort and escort currency, securities, gold and silver jewelry, cultural relics, artworks, guns and ammunition, and national unified examination papers; Second, security technology prevention consulting services; Third, networking security alarm service; 4. Beidou satellite positioning service; Five, all kinds of monitoring facilities installation and after-sales maintenance business, fire, transportation, security equipment and facilities distribution and supporting business. (Projects subject to approval according to law can only be operated after approval by relevant departments)