Let's talk about what qualifications are needed for guardrail construction.

& lth3 & gt Bid qualification of expressway guardrail:

The bidding qualification of highway guardrail requires the bidder to have the qualification of sub-enterprise contracting traffic safety facilities for highway traffic engineering specialty issued by the competent construction department. Generally, the tender for highway guardrail is comprehensive, and the tender contents include materials and construction of highway guardrail, highway isolation guardrail, highway anti-glare net facilities, delineator, boundary markers, signs, markings, protruding road buttons, anti-collision buckets, connecting line milestones, 100m piles and other projects. The bidding qualification of expressway guardrail requires the guardrail net factory to complete and pass the handover or completion acceptance within the last five years, and meet the following requirements: < br>

1, independently complete at least two new highway traffic safety facilities guardrail projects, each with a length of not less than 20km& ltbr & gt.

2, independently completed at least two (including two), each length of not less than 20 kilometers of new highway traffic safety facilities construction; & ltbr & gt

3, independently completed at least two (including two), each length of not less than 20 kilometers of new highway traffic safety facilities sign project construction; & ltbr & gt

4, independently completed at least two (including two), each length of not less than 20 kilometers of new highway traffic safety facilities marking project construction. & ltbr & gt

The tenderee of the highway guardrail and any legal person, other organization or individual whose interests may affect the fairness of the bidding shall not participate in the bidding. If the legal representative is the same person or different units with holding and management relations, they may not obtain the bid opening qualification of the same bid section at the same time. & lt/H3 & gt；