Egypt purchasing Detergent ingredient chemical

We are a company Detergent in Egypt Alexandria
We want to deal with you in
Sodium sulfate granules
For the manufacture of washing powder powder
I ask
1. receipt of shipment in Egypt Alexandria port CIF
How much the price
2- can you send the sample
3- can have only color white
4- Be the density
200
I mean every one cubic meter contains 200 kg of sodium sulfate
What is the availability of these questions
We need 50 tons each month
Packaging any size