Buying copper concentrate, CIF China

We are sourcing copper concentrate.
Basic requirements:
- Cu > 20%
- Quantity: 28 MT/week by Air or 500,000 MT/year by Sea
- Contract: 3 years
- Payment: Revolving LC (Prime World Bank)
- Inspection: SGS / CCIC
- Delivery: CIF China
- Packing: Jumbo bags & containers
Rejection if toxic elements or radiation exceed limits (as per SGS/CCIC)
Extras Required:
Test report, spec sheet, photos/videos, final price.
Please contact us if you're able to supply.