Steel billets

I am writing to express our interest on steel billets that your provide, as per below specification:

Grade: ST37.2/3SP
Chemistry:
C: 0.14-0.20%
Mn: 0.45 - 0.65%
Si: 0.15 - 0.30%
P: 0.05% Max
S: 0.05% Max
Cu: 0.45% Max (aiming 0.40%Max)
100mm X 100mm X 6 mtrs

Quantity: 5000 tn.
Maximum shipping time/delivery: not more than 30 days
Term of payment: 100% L/C at sight.