... plastic machinery for more than 15 years 2,CE and ISO 9001 3,high auto 4,diameter 75-630mm pipe ... with expanding die tooling of each specification and relevant pipe production lines,YH250,YH630 full auto-belling machine ... of production on all specification of Φ75-Φ630 pipe belling.Belling center height of machine1100-1200mm900-1200Diameter range ... 7500kg 2800kg Full Auto-belling machine of plastic pipe