The company has extensive sales performance in the national public security, armed police, civil aviation, railway, frontier defense, court, metro and other systems, and stands guard in important places such as zhongnanhai, the great hall of the people, chairman MAO memorial hall and the ministry of public security. Over the years, the two sessions of national security equipment suppliers, is a series of large events of equipment suppliers. Is the ministry of public security police equipment shortlisted enterprises, armed police units.