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Add：No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province
Hotline: 15930084101
After-sales installation: 0314-7018122 18603149003
Product inquiry purchase: 15930084101
After-sales maintenance: 18603149003
E-mail：310540860@qq.com
Website： www.cdlong.com
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