On February 29, 1964, the "Fiberglass Industry Research Design Institute of the Ministry of Construction Engineering" was established.

In September, 1970, the institute changed its name to "Nanjing Glass Fiber Industry Research Design Institute".

In 1970s, Research on fiber optics began.

The institute established the "Special Fiber Research Laboratory" into the "Third Research Institute", which is the predecessor of "Chunhui Company".

"Technical equipment application of 4-hole double-crucible drawing optical fiber" won the second prize of National Science Technology Progress Award.

"Plastic optical fiber handicrafts" appeared on the CCTV Spring Festival Gala.

"20-hole double-crucible optical fiber drawing process TG-1 extra large double-head wire drawing machine" won the second prize of the National Technology Invention Award.

Determined as "National Glass Fiber Product Engineering Technology Research Center - Non-communication Optical Fiber Product Research Development Base" by the State Science Technology Commission .

"Research on plastic optical fiber drawn by 36-core die its sheet forming technology equipment" won the third prize of National Science Technology Progress Award.

On January 24, the Optical Fiber Research Institute was transformed into Nanjing Chunhui Technology Industrial Co., Ltd.

"Disposable sterile fiber optic needle" successfully developed.

The registered capital increased to RMB 8.0432 million.

The company obtained ISO9001 quality management system certification.

On December 12, the chairman Zhang Yaoming, was elected as an academician of the Chinese Academy of Engineering, becoming the first academician in the glass fiber industry.

"Research on large-scale production technology of optical fiber image bundles industrial endoscopes" won the second prize of the National Science Technology Progress Award.

The Chunhui Science Park of Nanjing Pukou High-tech Development Zone was completed put into operation.

"Disposable sterile fiber optic needle its pilot technology" won the second prize of Building Materials Science Technology Award (Technical Invention Category).

Obtained the title of "Nanjing Non-communication Optical Fiber Engineering Technology Research Center".

Chunhui Company invested 800,000 US dollars in the United States Insight Company.

"The development of quartz optical fiber series products" won the third prize of the National Building Materials Industry Technology Innovation Award

Won the title of "Jiangsu Non-communication Optical Fiber Engineering Technology Research Center".

"Development of glass fiber bundle series products" won the third prize of National Building Materials Industry Technology Innovation Award (Technology Development Category).

"Research on end face technology of high-quality large core diameter multi-mode silica optical fiber" won the third prize of National Building Materials Industry Technology Innovation Award (technology development category).

"Key technology application of automatic production of multifilament optical fiber rod" won the second prize of National Building Materials Industry Technology Innovation Award (technology development category).

"Research on key technologies for large-scale production of medical optical cables" won the first prize of the National Building Materials Industry Technology Innovation Award (technology development category).

In December 2015, established a platform for scientific research, technology incubation product development, participated in the investment establishment of Nanjing Xiguang Information Technology Co., Ltd.

In December 2016, obtained ISO13485 medical device quality management system certification.

The power optical cable high-voltage partial discharge test platform was built.

In January 2018, the company's registered capital was increased to RMB 26 million.

Obtained the CE certification of TUV SÜD.

Obtained the certification of Jiangsu provincial private science & technology enterprise

Obtained the certification of Jiangsu provincial specialized sophisticated “Little giants” enterprises that produce new unique products

Obtained the certification of National specialized sophisticated “Little giants” enterprises that produce new unique products

Obtained the certification of Jiangsu provincial enterprise technology center

In June 2022, the company's registered capital was increased to RMB 46 million.