Does "payment by bill of lading" mean that foreign businessmen pay by scanning bill of lading at sight, or that foreign businessmen pay after receiving the original bill of lading?

Did you arrange the freight forwarder, or was it designated by foreign businessmen?

Scanning payment is safer, because you have a bill of lading, and you can express the original bill of lading to foreign merchants after they have paid the full amount. If it is a freight forwarder arranged by a foreign merchant, it is not safe to get the original bill of lading for payment.

It takes at least 40 days to export from China to Georgia by sea.

In addition, Georgia is a country with strict foreign exchange control, and there must be contracts and invoices for payment in banks. Each of the above items must be described in detail.