For grinding and polishing the welded joints of metal rings after welding. The machine is semi-automatic, but highly efficient. During the polishing process, burrs and scratches are polished on the surface of metal rings with a diameter of 150 mm or larger.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.