1. Box invoice contract: Chinese and English strip seal (blue Chinese and English company name).
2. Write-off form: China official seal and barcode seal (barcode seal contains the full name of the company in Chinese and the organization code of the enterprise below).
3. Power of attorney for customs declaration: official seal of China.
4. Customs declaration: special seal for customs declaration.
5. Letter of guarantee and other certificates: official seal of China.
6. Certificate of origin (CO, FORMA): a strip seal in both Chinese and English.
7. Endorsement of bill of lading policy: official seal of China.
8. Inspection: The special seal for inspection can also use the official seal.