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Address：Zhonggang road,Haigang District,Qinhuangdao city, Hebei province.

Tel：+86-335-8561678
Email：pxd@dnuo.cc / ybl@dnuo.cc

Whatsapp / Wechat: +86 13653352827

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Contact us

Zhonggang road,Haigang District,Qinhuangdao city, Hebei province.

+86 13653352827

pxd@dnuo.cc / ybl@dnuo.cc

+86 13653352827

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