HELLO SIR, WE NEED SODIUM BENTONITE, DRILLING GRADE, WATER BASED, FOR TUBE -WELL DRILLING. NEED ONLY THE BEST PRICE. PORT OF DISCHARGE CHITTAGONG SEA PORT.PAYMENT BY 100% IRREVOCABLE LC AT SIGHT. MINIMUM REQUIREMENT 05 FCL. PLS SEND YOUR E-MAIL ADDRESS & TECHNICAL DATA SHEET FOR YOUR PRODUCT. REGARDS. Country:Bangladesh