We are a trading company in the chemical field based in Tunisia with clients in Europe and the Gulf area. Our Main Activities are trading in Chemical and Petrolium Products. We have an order of 400 tons (100 tons x 4) of Resin Coated Sand with the following specs: (1) AFS # 40 - 50 RUF, weak strength, V.High permeability, LOI 2.46% and usage for Non-Ferrous Alloys. (2) AFS # 67 - 79 FINE, very high strength, medium permeability, LOI 3.93% and usage for Cast iron. (3) AFS # 60 - 65 Medium, very high strength, very high permeability, LOI 4.305% for Cast iron (4) AFS # 67 - 79 Fine, very high strength, high permeability, LOI 4.92% for Ferrous Alloys. Please provide your best prices, origin of your product, delivery period. Payment is L/C at sight Client might need free sample, we pay for the courier shipping using our FedEx account. Your prompt action is highly appreciated.