![](https://www.wch-ic.com/assets/site/img/address.png)
- Name:NanjingQinhengMicroelectronics
- Address:No. 18, Ningshuang Road, Nanjing, China
- Postal code:210012
- Switchboard:025-84730668
- Fax:025-84730778
- Bank account:Nanjing Bank Yuhua Branch
- account number:0125240000000770
![](https://www.wch-ic.com/assets/site/img/sale_support.png)
- Sales Email
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![](https://www.wch-ic.com/assets/site/img/tech_support.png)
- Technical Email
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