The material/GSE (Ground Support Equipment) sales service is divided into two phases: the quotation phase and the sales phase. In the quotation phase, after the customer expresses their purchasing intention, COMAC provides the customer with the sales price. In the sales phase, once the customer issues a purchase order, COMAC delivers the required equipment in accordance with the order and the terms of the agreement. Customers can submit their requests via email or the e-commerce platform, and COMAC will respond upon receiving the request. The service includes providing the required material/GSE for sale to the customer. The goal is to provide qualified material/GSE to customers. The customer benefits from quickly and efficiently obtaining the required material/GSE. The service is available to all customers.