You can lodge a complaint against Zunbao Pizza Headquarters in the following ways: 1. Customer Service Hotline Complaint: Call Zunbao Pizza Customer Service Hotline 400-0 15-88 18 to make a complaint, and the customer service staff will learn more about the complaint and assist in handling it. 2. Online Customer Service Complaint: Enter Zunbao Pisa official website, select Online Customer Service under the "Contact Us" menu, fill in the complaint and submit it. 3. In-app complaint: If you use Zunbao Pizza app to order food, you can submit a complaint in the app. 4. Complaint by mail: You can mail the complaint letter to Zunbao Pizza Headquarters, address: Zunbao Pizza Headquarters Address: 9th Floor, Block A, Zijin Building, No.27 Zhongguancun Street, Haidian District, Beijing Postal Code: 100080 When making a complaint, you should provide the specific complaint content, time, store information, contact information, etc. In order to solve the problem as soon as possible.