Complex sentence: In January 2017, Men's Uno China has unveiled "Men's Uno Young", a brand new magazine for China's post- 90s generation which he was the very first cover of Men's Uno Young representing the young attitude and spirit of post 90s youths.
Split into simpler sentences: In January 2017, Men's Uno China has unveiled "Men's Uno Young", a brand new magazine for China's post- 90s generation. He was revealed to be the very first cover of Men's Uno Young representing the young attitude and spirit of post 90s youths.