上海贝岭：已与多家车企及Tier1厂商建立了业务合作关系

Group 1 - The core viewpoint of the article is that Shanghai Beiling (600171) has a diverse range of automotive electronic products and has established business partnerships with multiple car manufacturers and Tier 1 suppliers [1] Group 2 - The company stated that the specifics of customer collaborations involve commercial secrets, making it inconvenient to disclose related information [1]