The main products of the company are: mine-free wind doors, shock-resistant wave-activation doors, shock-proof door closes, fire-barrel doors, water-proof doors, shelter room live doors, shelter room blast-proof doors, blast-proof doors, mechanical locks, mine wind door control, wind self-help devices, aerodynamic barriers, aerodynamic implosion gates, aerobic shields, aerobic triggers, acoustic decoders, control circuits, self-spray devices for mining。