What is difference among QF-818A,QF-818B&QF-818C?

Model: QF-818A

The bottom of sole pressing machine QF-818A is flat.

Model:QF-818B

There are eighteen pressing pads on the bottom of the pressing machine .The pads are controlled by cylinders to rise and down to firm the shoes in different shape.

Model: QF-818C

The general functions of QF-818C is the same as QF-818B ,but on  the basis of QF-818B, QF-818C is computerized, more digital and   accurately.

Model	QF-818A	QF-818B	QF-818C
Dimensions   (LWH)	1080*1180*1950mm³	1080*1180*1950mm³	1080*1180*1950mm³
Packing size  (LWH)	1380*1380*2300mm³	1380*1380*2300mm³	1380*1380*2300mm³
Weight	1280KG	1280KG	1280KG
Pressure	20-50kgs/cm²	20-50kgs/cm²	20-50kgs/cm²
Power	3HP	3HP	3HP