... machines paper bowl forming machineZHZB-B paper bowl forming machine 2. descriptionDB-B70 PAPER BOWL FORMING MACHINE is an automatic forming machine. It has improved ... oil, punching bottom, two-procedure bottom heating, knurling, curling, roll-watering line, putting down bowl & checking photoelectric, troubles warning, ... size:A)topdia:¢60-120mm B)height:60-115mm C)bottomdia:¢50-97mm D)knurling:4.5-11mm ...