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Add：No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province
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Add：No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province
Inquiry purchase：15531465865
Installation complaints：15531465865
E-mail：310540860@qq.com
Website： www.cdlong.com
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