When shipping goods from China to Liechtenstein, you typically need the following documents:

1. Commercial Invoice: This document provides details about the goods being shipped, including their description, quantity, value, and intended use. It is used by customs authorities in both China and Liechtenstein to assess duties and taxes.

2. Packing List: A packing list itemizes the contents of the shipment, including the quantity, weight, and dimensions of each item. It helps customs officials verify the contents of the shipment and ensure compliance with import regulations.

3. Bill of Lading (B/L): The bill of lading is a legal document issued by the carrier or freight forwarder that serves as a receipt for the goods being shipped and as evidence of the contract of carriage. It includes details such as the names and addresses of the shipper and consignee, the origin and destination of the shipment, and the terms of delivery.

4. Certificate of Origin: This document certifies the country of origin of the goods being shipped and may be required to qualify for preferential tariff treatment under trade agreements between China and Liechtenstein.

5. Customs Declaration: Depending on the nature of the goods and any specific regulatory requirements, additional customs declarations or permits may be necessary for certain types of products, such as controlled substances or agricultural goods.

6. Insurance Certificate (Optional): If you have purchased cargo insurance to protect against loss or damage during transit, you may need to provide an insurance certificate or policy document as proof of coverage.

It's essential to ensure that all required documents are accurately completed and included with your shipment to facilitate smooth customs clearance and delivery to Liechtenstein. You may also want to consult with your freight forwarder or shipping provider to confirm any additional documentation requirements specific to your shipment.