Complex sentence: Chinese Academy of Engineering Physics (CAEP) (中国工程物理研究院, nicknamed 九院) founded in October, 1958, is the research and manufacturing center of Chinese nuclear weapons.
Split into simpler sentences: Chinese Academy of Engineering Physics (CAEP) (中国工程物理研究院, nicknamed 九院) is founded in October, 1958. It is the research and manufacturing center of Chinese nuclear weapons.