3.6.1 Execution of similar projects in recent three years (attachment)3.6.2 Supply time and completion time of installation and debugging provided by the supplier. 3.6.3.1 The supplier must provide complete information of the goods sold (imported goods must have Chinese and English manuals, installation manuals, maintenance manuals, special tools and relevant quality casting process inspection procedures); 3.6.3.2 The supplier is responsible for the integration and commissioning of all goods; 3.6.3.4 The supplier shall provide timely, fast and high-quality services, provide spare parts to the goods quickly and promptly, and ensure that the buyer can purchase spare parts and vulnerable parts required by the goods in time; 3.6.3.4 after the breakdown of the goods, they should immediately respond, precision casting troubleshooting; 3.6.3.5 Detailed training plan: time, place, number of people, cost, content and frequency; 3.6.3.6 All goods provided by the supplier shall have a clear warranty period. In the warranty period, except for damage caused by human factors, free maintenance.