For the processing of 90 degree chamfers on the inner ring outer circumference of ≥φ250 Spiral wound gaskets.<br /><br />Please check our website for more information. <br />https://www.heroos.co <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.