ABB and AB company are the same?

ABB: Fortune 500 company, with its headquarters in Zurich, Switzerland. ABB is formed by the merger of two international enterprises with a history of more than 100 years, namely Arcia in Sweden and Braun Bofari in Switzerland.

AB: Rockwell Automation Co., Ltd., whose Chinese name is Rockwell Automation Co., Ltd., is the world's largest company dedicated to industrial automation and informatization, and is committed to helping customers improve productivity and global sustainable development.