Harbin Optical Instrument Factory Co., Ltd., founded in 1966, is a professional manufacturer of geodetic instruments on a large scale in China, integrating scientific research, development, manufacturing and distribution. It is a national high-tech enterprise, a time-honored manufacturing enterprise in Heilongjiang Province, a joint maker of national standards for the calibration of China's geological compass, and a joint maker of industrial standards for the hand-held forest altimeter under the Ministry of Forestry, It won the first batch of "invisible champion" enterprises in Heilongjiang Province, specialized and new enterprises and other titles. The "Harbin Brand" compass instrument has won the honorary titles of "Heilongjiang Famous Brand Product" and "Harbin Famous Brand Product" for many years in succession.

With the production of compass series as the core, the company is engaged in the research, development, manufacturing and sales of geological compass, forest compass, military compass, laser electronic ranging compass, laser pointer, area meter, altimeter and goniometer, and other series of products. The products are sold at home and abroad, with a domestic share of more than 95%.

The company has strong technical strength, has built "Heilongjiang Provincial Enterprise Technology Center", "Heilongjiang Provincial Science and Technology Innovation Sharing Service Platform", and has established a good cooperative relationship with domestic professional research and development institutions and universities. It has successively obtained 55 patents, and a number of product technologies have filled the domestic gap, providing reliable technical services and support for national resource survey and survey in the fields of geology, forestry, coal mining, agriculture, etc. It has certain advantages in research, development and production of the same products in the industry, and is the only enterprise in Heilongjiang Province that produces such products.

The company adheres to the original mission of "building craftsmanship, cultivating craftsmanship, and producing high-quality products", provides continuous power to promote the "quality revolution" made in China, and makes greater contributions to the local economy of Longjiang.