1, to know the production qualification of corrugated guardrail manufacturers, whether they are entity enterprises or three-black workshops, and what is their reputation in the industry;
2. Understand the product quality of the corrugated beam guardrail and whether it can meet the standard; Whether there is relevant quality certification and quality assurance;
3. Understand the production situation and production cycle of the corrugated beam guardrail manufacturer, whether it can be delivered on time and whether the manufacturer's promise can be fulfilled;
4. Get to know the price in the corrugated beam guardrail, look and compare it in many ways, and see if the supply price is lower than the market price.
Shiteng Holdings is well-known in this industry. I used it before, but of course I chose it myself in the end.