Where do I attach my documents after registration?

To attach the document, you'll have to login with the account you've created in registration. You will reach your profile page. 
Step 1: Click 'ATTACHMENTS' tab on the top. 
Step 2: Click Attachment Button with the plus sign. 
Step 3: Choose attachment type and your document. 
Step 4: Click UPLOAD Button on the right corner. That's it. Your request for approval will be reviewed by Myantrade.

How to make contact with other traders on platform?

After you logged in to your account, go to Landing Page by clicking Myantrade Logo on the top-left corner. Then, go to Suppliers or Buyers Menus. Click 'View' to a trader you want to make contact. You will reach to a home page of that trader. Then, look at to the top right corner of the page, there will be a 'Business Chat' button. Click on it and then you write a subject of the contact.