1. transaction mechanism: Ningbo Zhou Pan stamp app adopts strict real-name authentication mechanism to ensure the authenticity and traceability of the identities of both parties to the transaction, and the platform adopts secure payment method to ensure the security of transaction funds. During the transaction, the platform will supervise the behaviors of both parties to prevent fraud and other bad behaviors.

2. Regulatory compliance: Ningbo Zhou Pan Stamp app strictly abides by relevant laws, regulations and policies, and accepts the supervision and guidance of relevant departments. The platform regularly submits business data and statements to relevant departments to ensure the transparency and standardization of transactions.

3. Ningbo Zhou Pan Stamp Products app is a mobile phone application that provides stamp products trading service. Developed and operated by Ningbo Zhou Pan Culture Media Co., Ltd., it mainly provides users with services such as stamp products trading, information acquisition, value evaluation, communication and interaction.