Changde Water Meter Factory (formerly known as Changde Watch Instrument Society) was established and designated as a designated water meter production enterprise by the former State Economic and Trade Commission

Become a national enterprise and change its name to Changde instrument Factory.

Merged with Changde Gear Factory and renamed Changde Water Meter Factory.

Merge with Changde No.2 Machine tool Factory to establish Changde Water Meter Industry Company, focusing on water meter production.

LXL-80~200mm large caliber horizontal screw wing water meter has been successfully trial-produced and put on the market.

LXS-15C~40C water meter passed the inspection of relevant state departments and was rated as "first-class product".

He was awarded the "Hunan Provincial quality Product Certificate" in 1987 and the "second-level Metrological Certificate" in December.

Obtained the "Level 2 Enterprise Certificate of Total Quality Management" in September, awarded the "Ministry Excellent Product Honorary Title", and passed the inspection of the Ministry of Machinery and Electronics Industry, obtaining the "Export Product License".

Renamed Hunan Changde Water Meter Factory.

Enterprise comprehensive restructuring, officially renamed to: Hunan Changde Brand Water Meter Manufacturing Co., Ltd.

Passed the ISO9001 quality management system certification.

Won the title of "double satisfaction Unit of Product and Service quality" in Hunan Province

Won the title of "double satisfaction Unit of Product and Service quality" in Hunan Province

Changde brand trademark is recognized as "China well-known trademark".

The company joined the Water Meter working Committee of China Metrology Association, and Li Fayin, chairman of the company, was selected as a member of the Water Meter working Committee of China Metrology Association.

Passed the ISO14001 environmental management system certification

The company attaches great importance to industry-university-research and specially invites Executive Vice President Chen Shou and Professor Ouyang Runping of Hunan University to carry out the first EMBA training for one year, and Professor Ouyang Runping is specially appointed as the company's senior consultant.