Safety helmet is a kind of protective equipment to prevent head being hurt. It is made up of by a cap casing, a cap lining, a chinstrap and a hoop. The cap casing is hemispheric, which is hard, smooth and stretchy. The hit and the piercing kinetic energy are mainly supported by the cap casing. There is some room between the cap lining and the cap lining, which can buffer and disperse the instantaneous punching power. Thus we can avoid or relieve the direct damage to our head. Advantages: 1.Vents: The top and sides have air holes, enhance the working cap internal air circulation, wearing a breathable and comfortable, suitable for hot production environment, stadium, etc. Unique breath freely design, comfortable to wear for long time; 2.Comply with CE EN397 industrial safety helmet ; 3.Hot runner technology: Began to manufacture of moulds with hot runner structure, shell insid e the injection gate on cap, helmet product appearance is more beautiful sex. Hat band components such as production, can save gate waste, save energy.