护栏网立柱与框架的质量，护栏的立柱与框架也是一个比较被低于的地方，一些正规大厂都是采用角钢与圆钢，但是在不同的部位选用的的角钢和圆钢也应不同。 护栏网网片整体的喷塑工艺的把握，一般来说护栏网整体要应注意喷塑的均匀程度，还有就是涂料的质量也是至关重要的。
The quality of guardrail net column and frame, guardrail column and frame is also a lower place. Some regular large factories use angle steel and round steel, but the angle steel and round steel used in different parts should also be different. Generally speaking, the whole fence should pay attention to the uniformity of spray molding, and the quality of coating is also crucial.