9,9'- [1,1'- ? ??] -4,4'- ? ??? [3- [[(4- ??? ??) ???] ??] -9H- ?? ??]
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| ???: | Chemicals/Inorganic-Chemicals |
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Contact Info
- ??:Miaoqiao St.,Wujin District,Changzhou City, Jiangsu, China., Zip: 213167
- ??: Gu Xiaoxing
- ??:+86-519-86461196;86464994
- ???:gxx@xingshengtech.com;gxy@xingshengtech.com
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1428901-78-3
| ???: | Chemicals/Inorganic-Chemicals |
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