The Expansion Joints in Single and Multi-Ply Construction are used in various industrial purposes. Ranflex India Pvt. Ltd. Manufactures Expansion Joints in Single and Multi-Ply Construction. Ranflex India Pvt. Ltd. Is ISO/TS 9001 and 16949:2002 certified company that offers bellows, annular & spiral corrugated & assemblies, expansion joints, flexible metal tubing, etc. For automobile applications. The Expansion Joints in Single and Multi-Ply Construction are used in Diesel Engine exhaust. These Expansion Joints are made in stainless steel AISI 304 or Carbon Steel.