Production, processing and sales of police equipment, police clothing, police riding uniforms, protective clothing, and rainproof clothing; police equipment, individual police equipment, police emergency supplies and equipment, police safety protection equipment, criminal investigation and on-site investigation equipment, security inspection and explosive disposal equipment, portable law enforcement evidence collection equipment, lighting equipment, road traffic safety protection equipment, police lights and warning equipment, and communication equipment , fire fighting equipment, demolition rescue equipment, anti-virus equipment, night vision goggles, biological inspection materials, high-definition monitoring equipment, digital interrogation systems, drone series, emergency rescue civil air defense equipment, police cars, motorcycle series, anti-theft supplies, digital equipment, standard clothing, shoes and hats, quilts, bedding, helmets, gloves, boots, labor protection supplies, and leather products.