What is the treatment of graduate students in Xi 'an Aeroengine (Group) Company? How much salary can I get a year?

I just finished my master's degree and signed it. Recruiter Feng said that the internship period is six months and the monthly salary is 3,000 yuan (excluding insurance accumulation fund). It is not clear after becoming a full member. It is also said that the unit has an internal room, and college students can queue up to buy it. The price is cheaper than the market price, about three or four thousand square meters. Moreover, the unit contributes funds to encourage students to take exams or study abroad. I don't know if it's true or not.