shanghai xinshi trade development co.,ltd specializes in potassium nitrate, calcium nitrate, ammonium chloride, potassium carbonate etc. Taking the advantage of resource and equipment, out product has good quality and low price, the annual output is about 15,000 tons. Invested by shanghai xinshi trade development co.,ltd, Instructed by the info and technique of Shanghai, we carry on our production in Shanxi province. Our product has got well sold in China and other countries. We will provide qu...
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