Business Manager:Liu Hongliang
| Tel: | 0371-67849668 67849678 67849618 67849628 |
| Fax: | 0371-67849668 67849678 67849618 67849628 |
| HP: | 013803869688 013503822345 |
| Email: | chinazzdh@zzdh.com china.zzdh@163.com |
| Location | ||
| Add: | The North 400 Meters of No.36 Middle School,Zhengshang Road,Zhengzhou City,Henan Province,China | |
| Zip: | 450052 | |
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