Anhui Funan Aoyang Hardware & Plastic Co., Ltd.

Shell helmet shell an important role in the safety of the helmet, so the choice of the material is very important. General. The use of the material is ABS, glass fibers. Good helmet the useful carbon fiber making, just expensive. 

The main function of the buffer layer of the buffer layer is to absorb the external impact force. Imagine, no buffer layer in a hard shell of helmet when the face of external shocks, the external force acts directly through the hard shell in the head, the head hurt. So, the pros and cons of the buffer layer thickness, material determines the buffering capacity of the helmet. The buffer layer is mainly using a foamed styrene material. 

The main role of the inner liner layer to enhance comfort when worn, typically made of a soft cloth.
With the role of the cap Hooded is firmly fixed to the helmet to the head. Binding: card camphor, buckle type, patch type. 

The the retaining jaw guard jaw is part of a full helmet helmet, that is more or less the nose protect lips, and part of the lower jaw, impact, given the face to more protective. Full helmet helmet generally. An air inlet and an air outlet.