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Email:18911719687@189.cn

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organizer:

China Equipment Management Association

China Electromechanical Products Circulation Association

Zhonggongzhi Technology Co., Ltd.

Organizational Unit:

Jinghe Exhibition (Beijing) Co., Ltd.

Beijing Huayan Exhibition Co., Ltd.


2020第九届中国(北京)国际地质技术装备展览会暨论坛   京ICP备17045437号
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