steaming coal

we are supplier steaming coal for export and local market..our production per monthly is 50.000 -80.000 Mt to serve one vessel delivery.. Our grade of coal is GAR 5200, 5400,6300 , 4800 AND ETC. To make sure of our quality, welcome for buyer to do it self and taking sample it self. Our policy is : 1. Payment should be from Prime bank and we are receive payment by LC 2. Qty is 50.000 Mt 3 Only selling based on FOB Mother Vessel and Quality final in Indonesia Port 4. No issue doc of mine to every body.showing is Ok 5. for Buyer we intends to provide Guarantee 10 % and seller party will provide also Performance Bond 10 % also,similar with guarantee value from buyer