What We Do?

Jiangsu Hongguang Instrument Factory Co., Ltd.( hereinafter referred to as Hongguang instrument) is established in 1972, which was reformed from an state-owned enterprise,  now have become a core subsidiary corporation of SUYI GROUP, mainly produce industrial automation instrument, control valve and power cable. Industrial automation instrument contain flow meter, pressure gauge, pressure transmitter, level transmitter, temperature gauge, temperature transmitter, digital display instrument.

Hongguang instrument is approved long term supplier of CNPC, Sinopec, China National power company and Chinese domestic large-scale steel enterprise, also is one of members of China Instrument Manufactures Association. Our company mainly service industry of energy, Electrical power, Petro-chemical, pharmacy and metallurgy etc. we are

Hongguang instrument has a sister company – Jiangsu Suyi Group Co., Ltd which is another core subsidiary company of SUYI group, this sister company mainly produce gas detecting & alarm instrument, gas analysis instrument.

In SUYI group, only Hongguang instrument has import and export right, which have exported our company’s products to over 20 countries around the world. To further expand our market share, we welcome worldwide automatic instrumentation distributors and sales agents to work with us, and also welcome end users to contact us to discuss your specific application requirements.

Research and Development Capacity

Our company’s research center is located in industrial IOT Technology Research Center for Chinese Academy of Sciences which are our company’s partner of industry automation researching. Up to now, we have earned over 60 patented products which are designed based on our intellectual property rights. We are outfitted with a complete range of production and testing facilities, including: 2 production and testing lines for pressure and liquid level transmitters, 1 for pressure calibrators, 2 for temperature sensors, 1 for pressure gauges, 2 for flowmeters, 2 for level measurement instruments, 2 for control valves, 1 for bimetal thermometers, and 1 for display and control instruments.


We are committed to improve our competitive power through technical innovation, management innovation, concept innovation, and introducing advanced technologies and management experience. We will meet market demands through continuous innovation, and work hard to create more and more value for our customers.

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April 1972

Jinhu Hongguang Instrument Factory was established.

May 1980

Earned praise from the Government because of our industrial instruments utilized on the earliest launch vehicle in China

August 1990

Successfully developed the first smart pressure calibrator with accuracy of Class 0.05 which passed the testing and examination of Chinese authorities.

October 1998

Successfully developed the first automatic pressure calibrator which also passed the testing and examination of Chinese authorities.

March 1999

Started the intelligent level meter project through cooperation with ARJAY of Canada.

June 2000

Developed the intelligent instrument calibration system August 2001

Developed the handheld process signal calibrator which offers accuracy up to 0.02%

February 2002

Renamed as Jiangsu Hongguang Instrument Factory Co., Ltd.

September 2008

SUYI Group was founded, with Hongguang as its key subsidiary.


By now, we have exported our products to over 20 countries, including Chile, Indonesia , Singapore , Malaysia , India , Brazil, Spain , South Africa , the Philippines, Nigeria , Australia , Russia, Pakistan , Sri Lanka, Sweden , Bangladesh , the UK, Italy, Uganda, etc.

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