1. The highway fence has been assembled in series according to the order requirements before leaving the factory. After the product arrives at the construction site, it only needs to insert the steel lining parts of each column into the stable base, and extend it in a straight line according to the requirements of the user department.

2. After completing the basic layout, use special bolts to properly connect each section of the guardrail.

3. In order to improve the wind resistance and anti-malicious movement of Bailan, the stable base and the ground should be fixed on the ground with internal expansion bolts.

4. Connect users to install reflectors on the top of the guardrail.

5. The mobile cast iron seat can be locked symmetrically using road studs or expansion screws.