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HanShang Chemical Scientific Limited(mrHou,tel: 8.6.0.2.1.5.0.1.8.9.2.9.8 )is specialized in Pyridin Seriese .Are you looking for the best Pyridin Seriese in Shanghai?HanShang Chemical Scientific Limited is the best Pyridin Seriese manufacturer In shanghai. Pyridine is used as a precursor to agrochemicals and pharmaceuticals. Some chemical compounds, although not synthesized from pyridine, contain its ring structure. They include B vitamins niacin and pyridoxal, the anti-tuberculosis drug isoniazid, nicotine and other nitrogen-containing plant products.Historically, pyridine was produced from coal tar and as a by-product of the coal gasification. However, increased demand for pyridine resulted in the development of more economical methods of synthesis from acetaldehyde and ammonia, and more than 20,000 tonnes per year are manufactured worldwide. HanShangChem provide the best quality Pyridin Seriese in shanghai. If you want to known How much the Pyridin Seriese is,please tel 8.6.0.2.1.5.0.1.8.9.2.9.8 OR 3W.hanshangchem.com.We are Professional supplier of shanghai Pyridin Seriese manufacturer .Our Address：Dongfang Road, Pudong, Shanghai&&&
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