How is the leadership level of our army divided?

Article 11 of the Regulations of China People's Liberation Army on Officers' Ranks is as follows: General, Chief of General Staff of the People's Liberation Army and Director of the General Political Department; Zheng Da Military Region: General and Lieutenant General; Deputy Military Region Position: Lieutenant General and Major General; Official military post: Lieutenant General, Major General; Deputy military posts: major general, senior colonel; Full-time teachers: senior colonel, major general; Deputy division commander (brigade commander): colonel, senior colonel; Regiment level (deputy brigade level): colonel, lieutenant colonel; Deputy regimental posts: lieutenant colonel and major; Full-time posts: major, lieutenant colonel; Deputy battalion commander: captain, major; Company positions: captain, lieutenant; Deputy company posts: lieutenant and captain; Rank: second lieutenant, lieutenant. Article 12 Professional and technical officers shall have the following ranks: senior professional and technical posts: lieutenant general or above; Intermediate professional and technical positions: senior colonel to captain; Junior professional and technical positions: Lieutenant Colonel to Second Lieutenant.