Sell sodium metabisulphite

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Dear sirs,
We are a specialized manufacturer of Sodium metabisulphite(food grade) , our products according the following standard:
Content 95.0% min (our actual content can reach 98%)
Iron (Fe) 0.005% max
water-insoluble 0.05%max
Heavy metals (as Ph) 0.002%max
Arsenic (as As) 0.0002% max
pH Value 4.0-4.6

Price:USD240/MT FOB China port ,
Payment: T/T IN ADVANCE OR L/C AT SIGHT
shipment: delivery our goods with 10 days after received the payment.
Validity: By April 20, 2005
We also can supply industrial grade, if it is for your demand, I am glad to send you our best offers upon received you kindly inquiry.
Thanks and best regards
Ms lusiya