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Hefei Tengchao Chemical Material Co.,Ltd


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First Grade 2-Pyrrolidone Special Used for Pharm, Such as Piracetam and Veterinary Chemical Products
Normal Grade 2-Pyrrolidone Used for Pharm and industry
N-Methyl Pyrrolidone 99.9%min Special Used for LCD Liquid Crystal Material
Best Grade 2-Pyrrolidone Can Be Widely Used for Veterinary Chemical Products
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