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16
2020-06
2020
Starting the development of a new type of metal scraper flowmeter
2020-06-16
2011-06
2011
Successfully developed the swirl vortex flowmeter
2011-06-16
2004-06
2004
Successfully developed a three-rotor flowmeter
2004-06-16
2003-06
2003
Initiating the development of a three-rotor flowmeter
2003-06-16
2001-10
The second half of 2001
Successfully developed a metal scraper flowmeter and held an appraisal meeting for petroleum and petrochemical products.
2001-10-16
2001-06
2001
Company Name Change: Zhejiang Zhongya Instrument Co., Ltd.
2001-06-16
