“YQS” LLC founded in 2016, manufactures and sells fire-fighting equipment, fire and security alarms; water, gas, foam fire extinguishing systems; camera surveillance and access control systems; installation of fire protection systems and means; installation, maintenance and repair of navigation and payment systems in underground and surface parking lots; building automation and electronic systems, integration of several systems into one operating system; smart home system; equips residential and state buildings, commercial objects with those equipments and systems.