China Business Federation Jewelry Quality Supervision and Testing Center is an appraisal institution with national jewelry testing qualification. The jade certificate tested is recognized by the state, and there is no problem. Everything is authentic.

I can't open your website. Maybe sometimes the website is repaired. It can be opened smoothly today.

If you are really worried, you can upload a physical photo to have a look.

This can also distinguish authenticity and evaluate authenticity.

I hope the answer can help you.