Duplex Paper purchase request from Egypt

Could you tell me the price for the following order, Please!
The order is 800 ton Gray Duplex with size (70*100).
The details of that order is shown as following :
300 ton ........ 350 gm
100 ton ....... 280 gm
300 ton ........ 400 gm
100 ton ........ 300 gm