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Dear Sir Sinochem Qinhuangdao is ISO9002 Certified company ( its number is 1300/20018290 dd Aug.,10,2001) and 42-002-2105 is DUN & Bradstreet Number for our company,you can contact your local Duns'office for our company's Stand and Credit.We produce and supply you with various chemicals such as Citric Acid Mono./Anhydrous BP93/USP23,Choline Chloride 50-75% Min. Lithopone 28% Min.Ammonium Bicarbonate 99.20% Min.Food Grade,Zinc Bacitracin 10-15% Min., Ammonium Persulphate 98.5% Min.,Potassium Bromate 99.50% Min.,ISONICOTINIC ACID 99% Min., and etc at very competitive price,please feel free to contact us.If you need others,please kindly visit our web:http://www.tradezone.com/tradesites/wyang.html Best Rgds/Watson Yang
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