Galvanized steel pipeline, it is generally approved hot-dipped galvanized steel pipe, is steel pipeline with a light-grey zinc finish on the metal surface, mainly carbon steel. The zinc finishing builds up an oxide layer that protects against deterioration which can only last for time up until the zinc is eaten. If you touch the surface area of the steel tube meticulously, you will certainly really feel some concave, uneven feeling. The pipeline has a lengthy service life expectancy, the surface of warm dip galvanized steel pipeline is glossy, the zinc layer is consistent, and the corrosion resistance is solid. Criterion hot-dip galvanizing thickness lasts for more than 50 years without substitute, and also for 20 years in overseas areas.