因腾讯原因，原企业QQ已经停用，改为新QQ：215735491 1596067936
Working hours:
Monday to Friday
8:30-12:00 14:00-18:00
TEL： +86-0311-89250318
+86-0311-66536426
Email：master@sjzsdyn.com
Address:NO.48 Ta Nan Road,Shijiazhuang,Hebei,China
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E-mail: master@sjzsdyn.com
Tip: You can send your questions, along with the necessary instructions attachments to our customer service email, and we will reply you within 48 hours.
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