Hello dear friend, we respond to your comments as follows: 1. When you placed the order, you chose the 400-1 model, which is a manual model and our smallest model. The machine can produce 400 pieces of chalk each time. 2. The trade terms for this order are door-to-door. The price includes all costs such as transportation and taxes, so we did not charge you any extra fees. 3. The machine is shipped as a complete machine and basically does not require installation. We have sent you the installation process, but you did not respond.