HONGQI INSTRUMENT (CHANGXING) CO.,LTD CHINA

Pressure gauge industry experts, the biggest pressure gauge manufacturers in China

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HONGQI spares no effort to concentrate on innovation, which leads a company to marching on. In recent years, HONGQI has kept finding out problems of current products and improving them one by one. As a reward, we have made a number of technological achievements.


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In 2011, Hongqi Instrument Co., Ltd. was granted a patent right of Liquid-filled High Accuracy Test Gauge.


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In 2009, Hongqi Instrument Co., Ltd. was granted a patent right of Pneumatic Alternating Pressure Tester.                             

    

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In 2008, Hongqi Instrument Co., Ltd. was granted a patent right of Connector of Pressure Gauge.

 

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In 2008, Hongqi Instrument Co., Ltd. was granted a patent right of Portable Pressure Regulator.

 

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In 2008, Hongqi Instrument Co., Ltd. was granted a patent right of Demountable Pressure Gauge Spring.