This document describes a clay vacuum brick machine from Zhengzhou Mengda Heavy Machinery Factory. It lists the technical specifications and production capacities of various models. The machine has several advantages, including lower cost due to its compact structure, reliable performance from its air clutch control system, strong adaptability to different raw materials, and high production efficiency. Maintenance of the machine should include keeping parts clean and contacting the seller for any issues. The factory can produce 21 million clay sintered bricks annually using this machine along with other equipment in the production line.