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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
1999-06
1999
The company has begun developing a metal scraper flowmeter.
1999-06-16
1976-06
1976
Company Established: Ouhai Petrochemical Instrument Factory
1976-06-16
02
2021-11
What should you keep in mind when choosing a scraper flow meter?
Today, we’ll discuss the key considerations when purchasing vane-type flow meters, helping users across various industries better understand these devices. Many people may still be unfamiliar with the proper selection methods, after all. So, let’s dive into a brief introduction—because knowing how to choose the right flow meter can save you from potential pitfalls and scams. If you’re curious, join us as we explore this topic together—it might just be exactly what you need to make an informed decision!
2021-11-02
22
Some key points about the three-rotor engine
Comparison between a three-rotor engine and a traditional reciprocating engine: Both reciprocating engines and three-rotor engines generate rotational force by harnessing the expansive pressure created from the combustion of an air-fuel mixture. The key difference in their mechanisms lies in how this expansive pressure is utilized.
2021-11-22