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focus on the design concept and technology of the ball valve

zhejiang tongli transmission technology co., ltd-凯发app怎么下载

on april 25, 2013, the national building materials machinery standardization work conference co-organized by our company was held in rui'an. more than 100 representatives from the national building materials machinery industry exchanged and discussed topics such as industry standardization work and industrial development. during the meeting, the delegates also visited our company with great interest and gave high praise to our company's production management and corporate culture construction!




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