一個貿易合同,必不可少的內容?

1. Contracting parties details ( Buyer and seller )
2. Description of goods
3. Pricing
4. How deliver
5. Payment terms, cash or credit or some other arrangement
6. Penalty on each parties in case of default, no delivery, quality of goods not as contracted, quantity shoreshipped or damaged.
7. Remedies e.g. return of goods, waive of full or partial payment
8. Date of the contract.
9, Law governed e.g. Hong Kong law or US law etc