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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.


2021北京国际砂石及尾矿与建筑废弃物处置技术与设备展览会   京ICP备17045437号
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