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Jinan Derrick
Production address: Chengdong Industrial Park, Zhangqiu District, Jinan City, Shandong Province
Sales head office：+86 136 8862 0091
Sales Department I：+86 150 6612 1556
Sales Department II：+86 198 6212 7256
136 8862 0091 
sales@derrickcn.com 
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