How to join the Beijing Army?

The army is not so advanced, so it is necessary to sign up during the recruitment season. The major you mentioned is needed by the army, but the army is basically a university or a military school, so even those from Peking University need the opportunity to join the army. It would be better if someone introduced me. If there are no references, we must wait for the recruitment opportunity to enter the army and be promoted slowly. The army did not openly recruit.