Xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin xin main production: exdiic-type blast-fighting equipment with autonomous intellectual property rights, with major products such as blast detection, blast-proof buttons, blast-proof fire alarms, blast-proof wire boxes (boxes), blast-proof radio communications, blast-proof industrial monitoring, blast-proof lamps and other blast-proof and non-explosive products, in 10 major series。