1. The factory illegally requires you to provide a deposit. So you can ask to terminate the labor contract at any time. This is your right.
You have the right to get back the deposit. And can claim the economic compensation of deducted wages and mortgage amount 100%.
3. You can apply to the labor dispute arbitration commission where the unit is located. Defend rights.
4. You can check the Labor Contract Law and the Regulations for the Implementation of the Labor Contract Law to learn. Therefore, Jiyuan Jinma Coking Plant does not need to pay a deposit.