bestcryptogames2023| Yingli Co., Ltd.(300956.SZ): Metal thin films have good electromagnetic shielding properties
Gelonghui May 27 δΈ¨ Yingli Shares (300956bestcryptogames2023.SZ) said on the investor interaction platformbestcryptogames2023, the company's vacuum coating is a commonly used surface treatment technologybestcryptogames2023, which forms a metal film on the surface of the material. Metal films have good electromagnetic shielding properties and can effectively absorb and reflect electromagnetic waves.
