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Ready for Installation & One Bolt Coupling

Date:2020-10-22

The innovation technology application of SHANGHAI VISION MECHANICAL JOINT CO.,LTD is the Style K22 Ready for Installation & One Bolt Flexible Coupling got US patent: US10711929B1 on 14th,July 2020. Now we are applying for China Patent: CN2020010345015.7.

Also the UL/FM approvals are under processing, We already submitted all the documents and prepared all the materials required by FM Lab.Hopefully We will pass the test and get the certificates in the future.