Complex sentence: Steinhoff International is a German international retail holding company, based in South Africa that deals with mainly in furniture and household goods, which operates in Europe, Africa, Asia, the United States, and Australia.
Split into simpler sentences: Steinhoff International is a German international retail holding company that is based in South Africa. Steinhoff deals with mainly in furniture and household goods, which operates in Europe, Africa, Asia, the United States, and Australia.