4,4'-??(?????)-1,1'-???
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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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1667-10-3
| ???: | Chemicals |
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