hi.. im planning to visit china together with my family.what are the requirements f we aply together

since my parents dont have jobs and my younger sister is just doing a part time job they dont have a BIR statement. then for athe bank statement do they need to have one.or my bank account will do for the 4 of us. since i'm the one will shoulder all their expenses will we are in china. hope youll ans me.thanx