Buying Copper ore 5,000mt min CIF

We buy for our customer Copper ore/concentrate >10% and >15% 5000mt/m on annual contract each starting 500mt-1000mt,
in bags containerized, CIF Huangpu, Tianjin and Lianyungang China ports, payment through LC (no down payment is acceptable), SGS at loading port.
If interested confirm please with detailed SCO for buyer's review and approval with soft offer inclusive of:
1. max export quantity monthly on annual contract
2. official essay report - SGS copy if available
3. bottom CIF price and procedure
4. packing details
5. loading port name
6. pictures