After graduating from Tsinghua University,he run a (f )with some of his friends to make new typesAfter graduating from Tsinghua University,he run a (f )with some of his friends to make new types of mobile phones.
问题描述：
After graduating from Tsinghua University,he run a (f )with some of his friends to make new types
After graduating from Tsinghua University,he run a (f )with some of his friends to make new types of mobile phones.
答
填:factory
run a factory 开办/经营一家工厂
句意:从清华大学毕业后,他和几个朋友一起开办了一家工厂,生产新款手机.