How do i translate my marriage certificate to Chinese and who can help on this?

Hi, my husband working in Shanghai. We are Malaysian citizen. I am invited by him to apply for the PR there following by him where his permit also going to expired soon in July. plan to renew for him and apply for me the PR together. I'm working on the S1 application now, there is few requirements to apply that? i don't know how to translate our marriage ceritificate in Chinese and who can help on this and also need to endorse by Chinese embassy.