Complex sentence: Chery has several vehicle assembly and component manufacturing facilities in mainland China and its vehicles are assembled in around 15 other countries--primarily in factories not owned by the company that utilise either complete or semi-complete knock-down kits.
Split into simpler sentences: Chery has several vehicle assembly and component manufacturing facilities in mainland China. Its vehicles are assembled in around 15 other countries--primarily in factories not owned by the company that utilise either complete or semi-complete knock-down kits.