want to buy bitumen

we want to buy bitumen with the details as follows :
1.Quantity : 20.000MT ( metric ton ) - 50.000MT for each product and ship by vessel,deliver at Tien Sa port of Da Nang is prefer because it is nearly Ky Ha-Chu Lai industry zone than another port of Viet Nam such as Hai Phong port or Ho Chi Minh city port ).
2.Payment : by IRR L/C.
3.Shipment : prompt Please help send us your quotation as soon as possible ( please quote price is C&I&F Tien Sa port of Viet Nam or Hai Phong port or Ho Chi minh city port ) and we hope that this is long term business. Your soonest reply will be highly appreciated.