- High-Frequency Electric Resistance Welding (ERW) In this method, electrical currents are passed through the edges of the metal strips to heat them, allowing them to fuse together under pressure. This technique is highly efficient and produces a continuous weld along the length of the pipe.
The scale at which China operates in the roll forming industry is impressive. With thousands of companies involved in the manufacturing process, China not only produces a vast amount of roll-formed products but also offers them at competitive prices. This large capacity allows companies to meet the demands of both domestic consumers and international markets.
