| Address : | Room D32, Building 2, No. 619 Longchang Road, Yangpu District, Shanghai |
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| Factory Address : | Zhengyuan Chuanghui Technology Industrial Park, No. 85 Qiandeng Shipu Dianchang Road, Kunshan City, Jiangsu Province |
| Work Time : | 9:00-18:00(Beijing time) |
| Phone : | 86-021-55789662(Work Time) |
| Email : | tanzhengindustry@gmail.com |
| Phone : | 19945738658 |
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| WhatsApp : | +8619945738658 |
| WeChat : | 19945738658 |
| Email : | tanzhengindustry@gmail.com |
