Dear Sir, We want to buy 1. Duplex Board, 250-450 GSM, (White back & gray back)2. Art Paper 3. Long Grain Coated Duplex Board, 180 GSM - 250 GSM (Size: 31.5x 41.5 Cm.)3. Coated Paper 4. Craft Paper.CNF C3% Chittagong. Please send your best Price & sample.