Work on statutory holidays belongs to overtime work, and should be paid no less than 300% of the salary stipulated in Article 44 of the Labor Law.

It is illegal for Shuanghui to pay only double wages.

You can complain to the labor security supervision department and ask for intervention in the investigation.

You can also apply for labor arbitration directly.

In accordance with the provisions of Article 38 of the Labor Contract Law, those who terminate the labor contract with the unit have the right to request Shuanghui to reissue the deducted overtime pay, and also have the right to obtain economic compensation during the working period.