Coal - FOB Cash Payment terms

we hereby represented some Mining Company arround South Kalimantan would like to offer the Steam Coal which has standard specification origin from south Kalimantan which have type of Calorie as shown like this A. - Kcal 6300 - Kcal 6100 - Kcal 5800 - Kcal 5500 We confirm that we have all of those Calorie above B. Loading Port : Depend on where we choose the Miner. C.Loading Rate : Average on 5000 - 7000 MT per day E. Price revised : Every 3 Months F. First Shipment : 45 days G.Payment terms : Cash which use the system like this : - 50% after Signed Contract - 40% after Loading on Board - 10% After Complete the Document H. Type of Order : - Once Stop Buying - Contract at 1 Year I. Validity Offer : Unlimited J. Procedure : 1. Buyer Issue LOI with Specification 2. Seller issue the FCO with the price 3. Buyer signed and returns back the FCO mean that Buyer agreed of all Items inside the FCO. 4. Seller Issue the Draft Contract 5. Buyer and Seller revised exchanged the Draft Contract. 6. Buyer and Seller Signed, exchanged the Document via Fax or emai and conclude 50% of payment. 7. Shipment scheduled adjust the payment terms Those are above the following statement we provide to make an order . If anyone interested, so let us know your Irrevoc LOI and BCL immediatelly. Thanks for your all kindly attention. Best regards,