Spiral steel pipe production process: It is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process.(1) The raw materials are strip coil, welding wire and flux. They must undergo strict p
On August 24, a press conference was held on the 30-day countdown to the Hangzhou Asian Games. Ma Liyang, director of the Hangzhou Ecological Environment Bureau, introduced the latest situation on the carbon neutrality of the Asian Games.Currently, green and low-carbon development and addressing cli
Egypt International Tube Exhibition ended perfectly.Our team got acquainted with industry elites from all walks of life in Egypt and exchanged in-depth industry experience. We have gained a lot.This is just the beginning, TENGDI MACHINERY will continue to go to the next stop in the United States. As
Relatively speaking, the high-frequency welded pipe equipment consumes the most electricity on the production line of welded pipe manufacturers. Therefore, the efficiency of high-frequency welded pipe equipment directly affects the energy consumption per unit of the enterprise, and has a direct deci