Model	QY-B400	QY-B750	QY-B1000	QY-B1220
Drawing speed(m/min)	0.1-4	0.1-3	0.1-3	0.1-3
Draw Max width(mm)	400	750	1000	1220
Draw caterpillar quantity	1unit	2unit	3unit	4unit
Motor power(kw)	6	7.5	11	15