Permaswage fitting are the most widely used radial crimp joints in the civil aviation field, and the products meet the requirements of the AS4459 standard. Among them, black represents titanium fitting, silver white represents stainless steel fitting, and green represents aluminum fitting. The outer diameter is from 3/16 inches to 1.5 inches, and the pressure resistance can reach up to 3000PSI. Permaswage joints are used in various projects of major international aircraft OEMs, such as Airbus A320, A330, A340, A350, A380; Boeing B737, B747, B757, B767, B777; Ambrose, Bombardier and other projects. Domestic projects include COMAC's ARJ21 and C919 projects, and XAC's MA60 and MA700 projects.