black annealed box wire

C, coating uniformity: galvanized layer is basically uniform with copper sulfate solution test etched five times without exposing iron.

The technical term “galvanized” means that metal has been specially treated with zinc. Essentially, the wire is covered with a very thin layer of zinc. It is this thin layer of zinc that gives galvanized wire its many properties. Galvanizing can be done by dipping wire into a pool of zinc or by electroplating.

Ordinary blades installed on the walls of the barbed wire fence height in two metres of general construction cost in more than a dozen yuan a metre, but if the prison on the height of the wall construction modest have already reached the four or five meters so that every one meter of the cost of construction in 30-40 yuan, mainly because the work high above the risk is bigger. The construction cost is different, but the price of the blade barbed rope is the same. The construction cost is often higher than the product. In this way, the blade barbed rope factory recommends customers to use the blade barbed rope with better quality to avoid the tedious time and cost of subsequent removal and installation.

Bird food, now raising birds can be fed with bird food on the market, which is more convenient, of course, you can also feed some cereals, herbs and so on, in order to supplement nutrition.