Location：| Name： | CHANGBIN YAN | Title： | 无 |
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| Email： | yanchangbin_2001@163.com | Postcode： | 450003 | |
| Member Type： | 无 | |||
| Company： | Yellow River Rngineering Consulting Co.,Ltd | |||
| Address： | No.109,Jinshui Road,Zhengzhou | |||
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