Buying vast Fish meal

We are the largest impoter in China,From Jan to July total inport fish meal about 12000MT, I hope we can build long-team Cooperation ,hope you give me best cost ASAP :);Our required as follows:
1.Goods:Peruvian Steam Dried Fishmeal

2.Specifications:
protein 67% minimum,
fat 12% maximum,
moisture 10% maximum,
salt and sand combined 5% maximum(with sand alone 2% maximum)
FFA 10% maximum
TVBN 120mg/100gm maximum
Histamine 1000ppm maximum
Antioxidant min 100 ppm at the time of loading

3.Quantity:600 metric tons,Gross for net with 6% more or less at the seller's option and at contract price.

4.country of origin:Peru

5.Unit Price:CFR China main port gross for net.

6.payment:Irrevocable L/C

7.shipment:August 2009

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Sincerely yours.