Yes the good old large governments order from
request,
Did they ask you for samples and are they wiling to pay for the transport of the samples, if no:
Since your product is soap you will most likely be asked to registrate your product with NAFDAC later in the negotiation and be told to contact a fake NAFDAC site for you to pay the fee, in this case ask them to Pay the fee and you will deduct it from the invoice,
Around 2500 USD
Please ask again if needed,