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Barrier by steel nets, as a kind of activity is establish guardrail fence on the road, in order to facilitate some special vehicles, such as 110,, and 120 ambulance, maintenance work of the car driving need, every distance cancel the guardrail products two-way road central, it has installed free activities, such as the case of an emergency, road administration department can quickly opened as gelizha use for these vehicles through the fast.

By steel nets materials guardrail direct impact on whether the fence quality standards. What is first choice nets slice is very important, mesh is made of different specifications welded wire, wire has a direct influence on the quality of the mesh, should choose in choose silk is produce by normal manufacturer of high quality of finished out of wire rod; Second is of the mesh welding or prepare process, it is to look at the main technical personnel and good production machinery of the skilled technology and between operation ability, and a good network of films is each welding or prepare point can be good connection. Then wire net frame materials should choose high-quality hot-rolled steel and, in different hulanwang USES the selection of angles and round steel should be different. Then the whole spray coating should pay attention the uniform degree, and it is also the coating quality also is very important. This is the fence of main material selection