1 , 2 Rhomborrhina unicolor ? or Torynorrhina sp. ? not sure, depends on size as well.
3. Don't know
4, 5, 12. Female of Neolucanus sp., should be championi
6. it's weird,
Structure of legs and protonum tell me it should be Odontolabis cuvera sinensis,
but the shape of the head and the color of the stripe raised doubt.
7,8,9,10 Don't know lol
11. everyone knows, skip.
13. Dorcus mellianus