Miners and underground engineering personnel to protect the head while wearing steel or similar material system, the shallow dome hat

Standard requirements for industrial safety helmets used on the physical performance requirements, technical performance requirements and test rules, management, marking and packaging

Recently, Taizhou reported in some urban shops selling low-quality helmets, and some construction site workers to use low-quality helmets situation

Used to protect the safety of construction workers head helmets, actually it difficult to resist in the material of the puncture. Shanghai Quality Supervision,

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