How many optical technologies does Huawei currently have?

10. Optical technology is also called photoelectric technology, that is, light energy is converted into electric energy, and electric energy is converted into light energy. As of June, 2023, 10 and 12, Huawei * * * has ten optical technology enterprises, namely Torch Technology, Changguanghuaxin, Yuan Jie Technology, Innotec, Youguang Technology, Optical Library Technology, Phoenix Optics, Lianchuang Optoelectronics and Guangfeng Technology.