Chemical Industry / Chemicals Importers, Korea, South Import Companies

I'm looking for the Crystal Diamond Mixture(CDM,purity:97%,quantity:10MT/month) so please send me a basic informations as follows. 1.Origin 2.Typical specification(purity,size distribution) 3.Certificate of Analysis(CoA) 4.Copy of fresh BL deleted confidential 5.Pictures(close up and loaded in container) 6.Terms of payment by TT(ex,xx% down payment,xx% balance against shipping documents) 7.Delivery time after receipt of down payment 8.HS code(7104.90?) Awaiting your faithful reply for each query or request. Have a great day! Best regards,