On December 24, 2017, China designed and developed a large-scale fire-fighting and water rescue amphibious aircraft, ag600, which is a large-scale aircraft mainly produced by AVIC South China Aircraft Industry Co., Ltd. Deli brand products witnessed the whole process of ag600 from final assembly, test run, coast down test to the first flight. Deli company has sent technical team to visit the company for many times, specializing in the surface treatment, wiping and safety protection of ag600 production process.

AVIC Tongfei South China Aircraft Industry Co., Ltd., a wholly-owned subsidiary of AVIC general aircraft Co., Ltd., is subordinate to AVIC group. The division is a major manufacturer of aircraft specializing in the development and production of general aircraft and special aircraft, mainly responsible for the assembly, general assembly, flight test, product delivery, sales support services of general aircraft and special aircraft, as well as the manufacturing of aircraft composite parts. The company's aircraft products under research and production include large amphibious aircraft, single engine piston light aircraft, single engine turbojet and double engine turbofan business aircraft.