格力电器：珠海格力电子元器件有限公司业务模式以晶圆代工为主

Group 1 - Gree Electric Appliances established Zhuhai Gree Electronic Components Co., Ltd. in 2022, focusing on third-generation semiconductor silicon carbide (SiC) wafer manufacturing, power device packaging testing, and semiconductor testing services [1] - The company currently collaborates with over 20 chip design companies, primarily operating under a wafer foundry business model while also providing packaging and testing services [1] - Gree is actively promoting the application of domestic silicon carbide chips in various scenarios, aiming for replacement applications [1]