It is suitable for mines and tunnels. When mining mineral resources, there is a large amount of dust and gas in the mine, which poses a threat to the life safety of workers. The use of air ducts for ventilation and exhaust can extract a large amount of co
Carbon Steel Welded Pipes (Tubes), are produced by forming a hollow profile from coil, sheet or plate and welding adjacent edge together, and it could be further processed, either hot or cold into its final dimensions and shapes, and there are different w