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In order to good   supports and better service to our clients, Guan Hong provide you with a   feedback platform for the technology exchange services, and an uninterrupted   fast self-service. 
Technical Service   Hotline
Tel: + 86 755 61883813
Fax: + 86 755 61883813 
You can get more product information such as product catalogue, user manuals, software, and so on.
On-line   Consultation
We provide you with the   on-line service from our engineers. You can get the direct troubleshooting by   the on-line service and also dial the hotline support when you encounter   problems.
Service   Network
You can find out our offices   at home and abroad with concrete addresses and telephone numbers, which is   convenient to you to resolve problems timely.

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