The purchase agreement should include the following contents:

1. Contact information and company names of both parties:

Company names, department names and contact information of both parties;

2. Purchase content and price:

Purchase content, quantity, price and purchase method;

3. Delivery arrangements:

Delivery date, location and transportation responsible party;

4. Responsibilities and obligations of both parties:

Rights and obligations regarding quality, monitoring, delivery, after-sales service, etc.;

5. Settlement method:

Settlement method, account period, payment method, etc.;

6. Confidentiality obligations:

Both parties agree to keep confidential the product information and business secrets in this agreement.

7. Other parts:

Interpretation, modification and termination of this agreement, etc.