Complex sentence: Mao Dun, a Chinese novelist and journalist, wrote a foreword for the first issue and several other editors who worked in the Literature and Art Department of "Beijing Publishing House" also contributed to the founding.
Split into simpler sentences: Mao Dun, a Chinese novelist and journalist, wrote a foreword for the first issue. Several other editors who worked in the Literature and Art Department of "Beijing Publishing House" also contributed to the founding.