Expansion Joint used for the irion and steel project expansion joint: 1. A large-scale factory which is ... range of materials includes of, Carbon steel, Titanium, Zirconium, Hastelloy, Nickel alloys, Duplex Steel and Austenitic Stainless Steel. 6.Tongpeng brand expansion joint ... has been exported to the countries such as the South Korea, US, Indonesia, India, Japan, Nepal, Turkey, Belgium and so on ...