... Tiantai Building Process.Tire/tyre retreading machines ----package envelopeFor enveloping, tyres are first fitted an outer envelope attheenvelope-mounting table before ... the inner envelope isfitted into them. The enveloped tyres are then vacuumedout for preparation prior to curing. With ... 16", 7.00-22.5", 22.5-16", 7.50-16", 8.25-16"9.00-20" ,10.00-20", 11.00-20", 12.00-20",11 ...