Look to see the packaging, national standard wires tend to do better, neat, holding up a quality feel. 2, to open the package look inside the wire, the national standard requirements 1.5--6 square wire wire is thick-skinned (insulation thickness) is 0.7mm, thick is non-standard, and corresponding to his inner core would certainly not enough, you can pull the sheath hard look, is not easily torn country in general is the subject of three, with the fire about, left 5s extinguished within, a certain fire-retardant features of the GB line. 4, look at the inner core, the inner core material (copper) higher copper better brightness and uniform brightness, computer communication cable, shiny, no layering. National standard within the core must use oxygen-free copper. Non-target such as black copper rod, there may be accidents. Wire and cable as the main carrier of electricity transmission, widely used in electrical equipment, lighting circuits, appliances, etc., communication cables ex-factory price, its quality directly affects the quality of the project and the life and property safety of consumers. On the market there are many varieties of wire, according to their electricity load to use the appropriate wire. Wire sold on the market, some cheap, some expensive, some people tend to be less expensive, but the communication cable, cheap wires, tend to have a lot of that kind of performance will not be his explanation, the communication cable sales price, it is possible to give yourself a number of security risks. Production tech wire is not too high, there is not much difference between the raw materials, if too cheap, or is cutting corners, or that do not give enough Cosure number of communication cables | Global Anhui | Anhui GSM communication cable from the instrument cable Limited. Anhui Global instrument cable Limited (www.ahqqtyb.com) is Chuzhou, temperature instrumentation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Anhui Global leadership with the staff warmly welcome all inquiries negotiations to create the Global Anhui better future.