First of all, through the identification of raw materials, zinc steel fence material, formal manufacturers are a regular purchase channels, the general will not be familiar with the procurement of small factories to produce materials.
1, to see whether the high gloss zinc steel guardrail, smooth zashou, surface treatment technology is meticulous, this is the most direct means to distinguish the zinc steel guardrail.
2, to determine the strength of zinc steel fence, regular manufacturers of zinc steel guardrail flexibility is relatively strong, and not easy to break.
3, in the zinc steel guardrail integrity will not appear uneven, different thickness, price gap, etc..
4, you can inspect the production of zinc steel fence manufacturers to see whether it meets the standards of formal manufacturers.