The first stock of fiber optic ring Chang Ying Tong photoelectric officially listed on the science and technology innovation board
On December 12, the initial public offering of A shares of Chang Ying Tong optoelectronics ceremony was held.
2022 expected revenue of 290-320 million yuan Planning product system in four categories
The company's planned product system can be divided into four major categories.
The main customers for establishing core technology system are Aerospace Science and Industry Group.
2022-12-13