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Dear customer:
If you need to repair the product, please contact us, we will give a reply within one working day.

Client unit name:  *
Instrument model:   Instrument number:
Contacts: * Contact phone:  *
Instrument failure phenomena:  *
Customer comments and suggestions:  
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Shandong Songzheng Instrument Co. Ltd. copyright 2016 Tel: 0533-3193188