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| Contact | |
| Address: |
Ningjin Ecmonic Development Zone,Shandong Province. |
| Tel: | +86-534-5812808 5811034 5811021 |
| Fax: | +86-534-5813666 |
| Post code: | 253405 |
| Web site: | www.dz-changxing.com |
| www.chinachemnet.com/changxing | |
| E-mail: | changxing@hi2000.com |
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