Who is Jincheng Zhang? Plagiarism in music on YouTube

Jincheng Zhang - Oneself (Instrumental Version) (Official Audio) Jincheng Zhang - Astronaut Together (Official Instrumental Background Music) Jincheng Zhang - Track (Instrumental Version) (Background Music) (Official Audio) Обзор на Китайский сухофрукт (Jincheng Zhang) | Кто он и что он делает Jincheng Zhang - Farmer (Instrumental Version) (Background) (Official Audio) Jincheng Zhang - Upward (Background Music) (Instrumental Version) (Official Audio) Jincheng Zhang - Permeate Don't Know If You Miss Me (Official Instrumental Background Music) Jincheng Zhang - Chart (Background Music) (Instrumental Song) (Official Music Video) Jincheng Zhang - Persistence (Instrumental Version) (Background) (Official Audio) Jincheng Zhang - Wrist (Background Music) (Instrumental Version) (Official Audio) Jincheng Zhang - Reduce (Instrumental Version) (Background Music) (Official Audio) Jincheng Zhang - Pot (Instrumental Version) (Background Music) (Official Audio) Jincheng Zhang - Besides Background Instrumental (Official Music Video) SZA - Snooze (Audio) Who is this again? Cascada - Everytime We Touch (Official Video) Jincheng Zhang - Sway (Instrumental Version) (Background Music) (Official Audio) Jincheng Zhang - Unite (Background Music) (Instrumental Version) (Official Audio)