How to contact after-sales support
During the use of Guandata products, if you encounter any usage issues, you can find solutions through the following channels:
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Product function documentation 
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Video learning tutorials 
If the above methods cannot solve your problem, you can also contact Guandata technical support engineers through the following channels (Working hours: Legal working days 9:00~18:30):
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Submit community Q&A: Q&A - Guandata Community 
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Official service group: Guandata After-sales Service Group (average 1H response, please contact pre-sales consultant to join the group) 
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Email service: Email 
Emergency contact phone number:
4008800750 ext. 3