1, To see the guardrail mesh, most of the mesh is welded by non-specification iron wire, the wire and strength of the wire directly affect the quality of the mesh, the wire is produced by the manufacturer of wire rod pulled out of the finished wire; The second is the welding or preparation process of the mesh. This aspect is mainly to see the skilled technology and operational ability between technical personnel and good production machinery. Usually a good mesh is that every welded or woven point can be well connected. Some guardrail net production factory? Are all produced by fully automatic welding machines? And a small factory uses hand welding? Quality is often difficult to maintain.
2, the choice of fence frame? Are large factories using Angle steel and round steel? The Angle steel and round steel selected for the product should also not be used. Most of the commonly used 48 round pipe, square pipe, can be customized according to customer requirements, generally according to customer requirements using cold galvanized, hot galvanized and other processes to quality, extend the service life of the guardrail.
3. Grasp the overall spraying process of the guardrail? Generally speaking, the whole product should pay attention to the uniformity of the spray. The amount of product impregnation, etc., and the quality of the selected paint is good or bad, the most color is dark green, grass green, the other is blue, yellow, white, red, etc., the price is slightly higher.
Guardrail basically see almost, don't rush to order, the output is controlled by people, so the key is to see people, through dialogue, to see whether he is a company, to see the business license, to see the production capacity of the guardrail production company, the quality of the production of protective net products, and domestic construction cases. Have a problem to communicate in time, choose a good size? Place an order? Sign the supply and marketing agreement. Individual orders can save part of the process, after all, it is convenient and fast, and large projects have to carefully verify each item.
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