Complex sentence: It was established in August 1978 in Beijing by several editors who worked in the Literature and Art Department of Beijing Publishing House, and Mao Dun, a chinese novelist and journalist, wrote a foreword to the first quarterly periodical.
Split into simpler sentences: It was established in August 1978 in Beijing by several editors who worked in Literature and Art Department of Beijing Publishing House. And Mao Dun, a chinese novelist and journalist, wrote a foreword to the quarterly periodical.