Looking for copper concentrate 6,000 MT per m FOB, CFR or CIF

I have buyers of copper ore.
Product: copper concentrates by flotation (copper ore)
Grade: Cu: >15% to 30%
Size: 150 mesh for concentrates and Origin: without limitation
Purchasing quantity: more than 6000 metric tonnes per month (at seller's option), the minimum purchasing order not less than 200 metric tonnes
Discharging port: China main port (at buyer's option)
Price: FOB, CFR or CIF China main port (CIF preferred)
Payment: PB+DLC or D/P
Inspection: SGS，AHK, CCIC or other independent inspection organization accepted both by buyer and seller As for the information we need to know about the materials you can provide: 1) chemical and physical specification 2) quality certificate 3) photos about the products to be supply to us and the mining and manufacturing sites; 4) past trading records (BL, quality and quantity certificates ).