Yuheng Optics is the earliest manufacturer specialized in grating encoders and optical instruments in China.
And embodies the industrialized history of Chinese grating encoders.
The first optical instrument was manufactured by YHO in China.
The first grating encoder was manufactured by YHO in China.
YHO introduced Japanese encoder technology and formed its own intellectual
YHO participated in the launch of Chinese carrier rockets and communication
satellites and was commended by the Central Committee of the Communist
Party of China, the State Council and the Central Military Commission.
YHO became the first in the encoder industry to obtain the import and export right
license of the Ministry of Foreign Trade.
The National Postdoctoral Research Station was established.
It was the first in the industry to fully implement the ERP( enterprise resource
planning system )and successfully implemented information management.
The subsidiary " Startroincs Automation CO.,Ltd. " was established.
It was established as a postdoctoral research and entrepreneurship base in Jilin
Province, and its R & D strength was further strengthened.
The subsidiary "Changchun Yuheng Shidai Optics & Electronics Scientific and Techn-ological Co., Ltd." was established.
A new industrial science and technology park covering an area of 30,000 square
meters was completed; it was identified as the first batch of national high-tech
enterprises in Jilin Province.
The project of "Industrialization of High-precision Synchronous Control
Photoelectric Encoder" won the special project of National Information Industry
Promotion and Technical Transformation ; Presided "Chinese Rotary Encoder
YHO undertook the national public welfare industry research project "photoelectric encoder technical standard research"; presided over the revision of the "grating
angle encoder industry standard ", and "CPE-Bus displacement encoder communic-ation protocol standard " .
YHO undertook the national twelfth five-year major scientific and technological
project "Development of high-precision, high-resolution absolute rotary encoder".
Yuheng brand was recognized as a well-known trademark in China by the State
Administration for Industry and Commerce.
YHO undertook the industrialization task of the National Twelfth Five-Year Scientific and Technological Special Project "Research and Development and Industrializa-
tion of Highly Integrated Single Code Channel Absolute Linear Scales";through the
acquisition of 65% equity in Changchun UP Optotech (Holding) Co., Ltd., becoming Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sci-ence Holding companies.
The project "Development of High-precision, High-resolution Absolute Grating
Rotary Encoder" successfully passed the national technical acceptance, and the
product reached the international advanced level of similar products.
YHO acquired the subsidiary "Changguang Digital Display Technology Co., LTD.";
Established the subsidiary " Changguang Qiheng Sensor Technology Co., Ltd.";
Undertook the national high-tech scientific key special project " Development and
Industrialization of High-resolution Angular Displacement Sensor".
The two national “Twelfth Five-Year” major science and technology projects was successfully completed final acceptance.
Address:No.333 Feiyue East Road,
Changchun City, Jilin Province,