This Bulletproof helmets are widely used to prevent bullets and fragments, mostly
equiped to military,police and other relative person, The PE/KEVLAR/PE&STEELHelmets can up
to the standards of Level II required in the GA293-2001, Equally the standards of Level IIIA in
NIJ0101.04,and theMILITARYBALLISTIC STEELHELMETcan achieved LevelNIJ IV.
As the following test picture for your reference.
Shooting by K54 steel bullet at 5m,10m,15m distance.the speed is 440m/s,and
thehelmetalldidnotpenetrate