Metal ring welding machine for the process of welding metal ring seams with a width of 5 to 50 and a thickness of 3 mm. The drive system is completely controlled by stepper motors and the control is done by a touch screen PLC.br br Please check our website for more information. br br br Send me email: cixiseal@gmail.com. WhatsApp: +8615355846467. br br Any kind of enquiry and question would be taken seriously. We will contact you as soon as possible and offer you the corresponding services. Any enquiry is welcome.