You need to add a business address and opening hours. As you are suspended, the requirements are now higher then normal.
There could be many reasons, I recommend having a look at the following policies:
- https://support.google.com/merchants/answer/7052112?hl=en
- https://support.google.com/merchants/answer/6363310?hl=en
- https://support.google.com/merchants/answer/4752265?hl=en
- https://support.google.com/merchants/answer/6149970?hl=en
- The most common issues are:
Not adding full contact details page linked from the footer (email, phone number, address, contact form): https://support.google.com/merchants/answer/6363310?hl=en - Not having a valid checkout: https://support.google.com/merchants/answer/9158778?hl=en
- Not having returns and refund, delivery, privacy policy and terms of service pages
- Selling products that are not allowed: https://support.google.com/merchants/answer/6150006
- Selling products that are not stocked: https://support.google.com/merchants/answer/6150127#:~:text=Unavailable%20promotions
- Not adding any added content, and simply copy-pasting other sites
- Having multiple websites in the same niche
- Not being honest with what you sell or how you portray the business
- Having a low trust factor
You can ask Google for specific examples of policy violation. To do so ask here and check the box, I need more info : https://support.google.com/merchants/contact/suspended
Hope this helps.