上市企业：海联金汇（股票代码:002537）

HyUnion Holding Co., Ltd. is a China-based industrial technology group listed on the Shenzhen Stock Exchange since 2011. Originally founded in 2004 as Qingdao Haili Meida, the company has evolved into a multi-business enterprise with a core focus on intelligent manufacturing, particularly in automotive lightweight components, while also maintaining business in mobile messaging services. Headquartered in Qingdao, the company has developed strong nationwide operations with over 40 manufacturing facilities.