China Suppliers > Punachem Company Limited > 4,4'-(1,1'-biphenyl-4,4'-diyldioxy)-dianiline
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- Region :China/Shanghai
- Tel : +86-21-64020796
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- Email :punachem@126.com
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- Add :Pudong District, Shanghai, China
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4,4'-(1,1'-biphenyl-4,4'-diyldioxy)-dianiline