Ali , now l'm have something to finish in your old home-factory( actually , it 's use to be my too ) I already heard some bad news about you , that's terrible things . So sad, you know , my friend when you pass a fucking situation and look back to it you will find ...it shit ...remember don't give up. great things take time. Anyway you should to check this information . It will be useful for us for design to buy sand from which country to your customer. (Do not forget my part 3%)
If you already made your decision,Pls let's me know I will arrange anything for this issue . I think it will take times around 1 week.
Have a good times , my bros
http://lkyspp.nus.edu.sg/wp-content/uploads/2013/07/The-Dirty-Business-of-Sand-Sand-Dredging-in-Cambodia.pdf
http://www.theonlinecitizen.com/2014/04/spores-thirst-for-sand-again-in-the-news/