2. According to the refund policy and requirements, prepare the refund materials that need to be submitted, such as purchase contract and ID card.
3. Contact the customer service staff of Zhengzhou Zhongjia Online Education Technology Co., Ltd., explain the reasons for the refund and related information, and submit the refund information.
4. According to the instructions of the customer service staff, complete the relevant refund procedures and operations, such as filling out the refund application form and providing bank account information.