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On June 18, 2019, Zhang Yubao, vice president and ......
On May 22, 2019, the group standard promotion work......
From May 23 to 24, 2019, the kick-off meeting of t......
In the afternoon of August 8, 2019, Cao bigang, re......
In order to promote the professional foundation an......
On August 30, 2019, China General Machinery Indust......
From September 4 to 5, 2019, the "third annual mee......
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