1. The purchase of helmets: The company must purchase products with product certifications and safety signs, and the purchased products must be used after they are received.
2, helmets should not be stored in: acid, alkali, high temperature, sun, moisture and other places, but not with hard objects together.
3, the use of helmets: calculated from the date of completion of product manufacturing.
Plant woven caps do not exceed two years. Plastic caps, paper caps are not more than two and a half years old. Fiberglass (PVA steel) rubber caps do not exceed three and a half years.
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