According to enterprise data, Chengde Yuyao Guangxun Network Technology Co., Ltd. was established on 2015-12-15, and its business scope includes computer software development and promotion. Computer system integration; Network information technology development, transfer and consulting services; Network integrated wiring; Engaged in the design and construction of security engineering according to its qualification grade; Sales of computer hardware and software auxiliary equipment, electronic products, electromechanical equipment (excluding public security facilities), communication equipment (excluding satellite ground receiving facilities), wires, cables, hardware, power supply, communication equipment (excluding satellite ground receiving facilities) and audio equipment rental; Advertising design, production and release * * (projects that must be approved according to law can only be operated after being approved by relevant departments)