Portland cement 42.5

i have a standing order for 1 year , renewable from ivory coast for the following goods :
portland cement ; 42.5 ; in bags of 50 kgs
quantity per month : 12.500 t x 12 months for the 1st year (contract is renewable )
delivery port : abidjan , ivory coast
i need to receive your cif abidjan price , with information as to the possibility to deliver each month 12.500 t , payment terms, …
kindly awaiting your offer