Expansion joint and metal hose manufacturer, 26 years of industry experience. Hou Yip Bellows becomes the stable expansion joint vendor in China for more and more distinguished companies in petrochemical industry, power industry, metallurgical industry, construction industry, etc.What we can do:1. Maximum 10 meters diameter round expansion joint by complete hydro-forming (not roll-forming or mechanical expanding).2. Weldless radiused corners. The round corner pieces of rectangular expansion joints are made directly by hydro-forming. 3. Pass Alstom's strict requirements of geometric dimensional tolerance. No other manufacturers here could fulfill it. Custom expansion joints both metal and fabric ones are our specialty. Please feel free contacting us to see how we can meet your industrial needs.