foundry coke

we will buy foundry coke 500 tons/month.please inform us if you can offer.
we will buy foundy coke Material: foundry coke
Size : + 80 mm
Quality :
Calorific value, Q
i
r
min 28 500 kJ/kg
Strength M40: min. 89%
Grindability M10: max 7,5%
Sulphur content S
t
d
max 0,6%
Quantity : 500 mt / month
Delivery terms : or FOB China port , please inform us if you can offer.