rescue succor helmet *material:ABS *antiflaming.antisepsis *light weight,erosion protection *Max wallop :2500N rescue succor helmet*material:ABS*antiflaming.antisepsis*light weight,erosion protection*Max wallop :2500N 1,Rescue helmets for head protection when fighting the fire and rescue. With anti-sharp objects, corrosion, heat radiation, reflective insulation, light and other functionsSemi- ...