1.1 Selection: high quality low carbon steel wire, aluminum-magnesium alloy wire. 1.2 Weaving: welding from; grid structure concise, easy to transport, install undulating terrain without restrictions, especially for the mountain, slope, bending zone highly adaptive. The first is the choice of quality wire rod to pull out of the finished wire; welded or woven, in this area mainly to see the skilled technical staff and operational capability and production machinery between a good mesh is welded or woven each point can be good connection, then the selection of the frame should be used in high-quality angle and round, in different angles and optional fence round use should also be different, the overall spray should pay attention to the uniformity of spray, but also There is the quality of the paint is also crucial. 1.3 Uses: mainly used protective belt highway and railway bridge on both sides; isolation municipal building in the park, lawn, zoo, pool lake, roads and residential areas; airports, prisons, ports, terminals security and protection. 1.4 Advantages: 1. Column using pieces of concrete pouring, construction cost is low. 2. High strength, good overall stability. 3. Color plastic layer has a good anti-corrosion and decorative effect. The overall net enclosures beautiful harmony. 5. Railway closed highway guardrail zone enclosures field fence. 6. corrosion, aging, sunscreen and other characteristics.