Returns and after-sales service If your rotary joint is damaged during use, please contact us. Rotary joint installation Rotary Joint Installation Instructions Rotary joints extend service life Regularly adding grease can extend the service life. Customized rotary joints Click here to send an email to the BEGAPUNK technical department. General FAQs Click here to learn about common problems with rotary joints. CNC Machining Services BEGAPUNK: Providing precision CNC machining services for your projects