What is the standard for Korean entertainment companies to recruit trainees?

Korean entertainment companies recruit trainees. The standard is very strict, you have to have several specialties to get into him. Yan value and height must pass, and the height should not be too short, at least 1.75 meters, and girls should also be 1.68 meters. In good condition. It is necessary to have the ability to have a separate income and a combined group. The group's ability to dance should have a certain level. The most important thing is plastic.