This is police anti riot shield can anti all blunt object impact, meet Chinese Standard GA68, against impact 147J and anti stab 20J.

The shield can bear the impact of 147 J kinetic energy , after the impact , the stress point of the shield won't piercing , or

beyond the radius 50mm of the stress point won't break .

The shield can bear the stab of 147 J kinetic energy , after the stab , the piercing area will not > radius 6mm of the stress

point , or beyond the radius 20mm of the stress point won't brea.