Fully understand the relevant customs declaration rules and requirements to ensure compliance with all laws and regulations. Correctly determine the category of the goods, including the name, use, material, value, etc. for customs declaration. Provide a detailed customs declaration form, including the commodity name, quantity, unit, use, place of origin, etc. Provide supporting documents including customs approval documents, health certificates, certificates of origin, etc. Reasonably estimate the cost of customs duties and taxes through the customs declaration form and supporting documents. Keep records, including customs declaration forms, invoices, supporting documents, etc. for future reference. For specific details, you can consult Zhongshen International Trade to ensure smooth and legal customs declaration.