buy copper ore

Dear Sir or Madam:
Our company founded in 1996, specialized in ore buniness.with 1000 million dollars annual turnover. Believing in specialized trades,handles mainly importing copper ore,lead ore ,cobalt ore and silver ore.now we want to purchase copper ore ,lead ore ,cobalt ore from your company,the specification as follows:

1.commodity and specification:copper ore(cu>20%)

                                                        lead ore(pb>40%)

                                                         cobalt ore(co>8%)

it is better that radioactive content in the goods is not exeed what CHINA goverment stipulates.(As<0.50%,Pb<6%,F<0.10%,Cd<0.05%,Hg<0.01%)

2 quatity: copper ore:approx 3000mt per month

                  lead ore:approx 2000mt per month

                  cobalt ore :approx800 mt per month

3 price:copper ore and lead ore: average of LME price of QP*cu%(or pb%)*%=CIFBEIJIAO PORT,CHINA.

             cobalt ore:fixed price.

4 port of discharge:BEIJIAO PORT,CHINA.

5 payment: irrevolable L/C,at sight.

looking forward to hearing from you.thank you.