ge labor contract renewal, there is no longer a contract between each side of the contract

The company does not comply with the labor contract law in this way. You can go to the company to ask for a copy or wait until the next time you sign another one to keep. In your case, if there is no dispute, there is no effect on you. But if there is a dispute it is a bit of a hassle, but not too much of a problem. When the labor arbitration without a contract you just need to provide proof of work in the unit. When the unit will naturally take out the labor contract. If he does not take out, then you still take advantage of it, you can ask for double wages.

Article 35 of the Labor Contract Law The employer and the worker can change the content of the labor contract by consensus. Changes to the labor contract shall be in writing.

The text of the changed labor contract shall be signed by the employer and the worker.

Article 82 If an employer fails to conclude a written labor contract with a worker for more than one month but less than one year from the date of employment, the employer shall pay the worker two times the monthly wages.

If an employer violates the provisions of this Law by not concluding an open-ended labor contract with a worker, the employer shall pay the worker two times the monthly wages from the date the open-ended labor contract should be concluded.