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after sales service email:
after sales service tel ：0536-3716057
in order to ensure smooth communication and save your precious time, for the after-sales service demands supported by materials (such as pictures and videos), please send relevant materials to the after-sales service email first, and our after-sales service personnel will reply in the shortest time.
address: no.9960, qushan road, chengguan street office, linqu county, shandong province 
service hotline: manager du 86 18853622696 / 0536-3717317
e-mail：831785@sdhylf.com record number:
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