The bulletproof helmet is a piece of essential protective equipment for many militaries, security agencies, and defense departments.

The possible prices used on different occasions will be different or need to be selected according to the quantity and quality of demand.

For pistol bullets, a Kevlar coating can slow the impact. As for the rifle bullet, you need to add a steel plate on top of the Kevlar layer to weaken the impact of the bullet.

The materials of the explosion-proof shields are light materials such as polycarbonate, glass fiber reinforced plastic, and pc, which can block the bullets of rifles, but the thickness must be enough.

The bulletproof vest made of Kevlar has the characteristics of high strength, good toughness, high density, lightweight, etc., and it is also resistant to high temperature and chemical corrosion, with excellent insulation and flexibility.

The bulletproof layer structure of green bulletproof vests is a 58-layer high-performance polyethylene fiber weft-free cloth, and the bulletproof vest is flexible to wear and easy to put on and take off.

There are many standards for bulletproof level, but the NIJ standard of the United States is commonly used. There are six levels in this standard, namely: level I, level IIA, level II, level 3A, level III and level IV.