To answer your question 1: It's just that the labor relations are different, and it's ok to hang the name of dispatch!
Answer your question 2: It is estimated that the insurance is given to you, but the provident fund is not. The general company is like this!
Answer your question 3: It has been like this since 2008. Maybe they are used to it, not on purpose!
Answer your question 4: It's worth joining!