English 
Usually, the shell of the helmet is made of high-strength materials, such as metal, engineering plastics, Kevlar fiber, etc., through its deformation to absorb most of the impact; the lining material has the ability to absorb sweat, keep warm, and absorb shock. Military helmets often have the functi
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To verify bike helmet certification before a bulk order, importers should request the supplier's CPSC Certificate of Compliance, cross-check third-party lab test reports against the batch being shipped, confirm the factory's reasonable testing program, and match lot numbers on test rep
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CE EN 1077 and CE EN 1078 are both mandatory European safety standards, but they govern different sports: EN 1077 applies to ski and snowboard helmets, while EN 1078 applies to bicycle, skateboard, and roller skating helmets. The key difference is that EN 1077 requires a penetration resistance test
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