DJI met with our team on May 20, 2018. The strength requirements of their products were discussed at the meeting. The main topics were as follows: Main topics: 1. Understanding our company 2. Visiting the liquid die forging manufacturing and development facilities 3. Discussing the coordination requirements in product drawing design

Main topics: 1. Density of trial production 7075 casting 2. Understanding of Casting Fortune company 3. Visiting liquid die forging manufacturing and development facilities 4. Developing new projects with the company 5. Our future audit work China Ordnance: Visited our liquid die forging workshop, liquid die forging production operation process.

Liquid die forging is an emerging process that combines casting and forging. It not only has the advantages of simple casting process, low production cost, and complex shapes of workable parts, but also has the characteristics of fine grains, uniform structure, good mechanical properties, and high forming accuracy of die forging products.