Construction site safety cap who is wearing red?
White is supervision or Party A, blue has technical personnel, yellow is worker.
Red helmets on the construction site are generally worn by management, technical personnel or party a personnel.
The life of the helmet: calculated from the date of manufacture of the product. Woven sticks of plant sticks, no more than two years. Plastic cap, paper glue cap, not more than two and a half years. Glass steel (vinylon steel) rubber cap is more than three and a half years.
