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You can contact us in the following ways,
During working hours (8:30am-5:00pm), 86-21-64096877 , 34150068, 54530823
switchboard will transfer you to the relevant departments.
For non working hours, please fax:86-21-34970692 。
(24-hour service)
Please scan the QR code as follows:

You can also send e-mail to: Sales Department: sales@saidone.com , or customer service department: service@saidone.com
We will provide you with a solution within 24 hours of receiving your call or letter.We will provide you with solutions within 24 hours after receiving your phone call or letter.
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