@kehuansteelpipe: Hot expanding process in action. Electric heating and hydraulic thrust expand the pipe while maintaining wall thickness, increasing diameter with precise control. 🌐 https://www.kehuanmetal.com/ 📱 WhatsApp: +8618206351858 📧 [email protected] #HotExpansion #SteelPipe #ManufacturingProcess #IndustrialManufacturing