9910T/9920T:

Features: Double wheel and needle feed smooth sewing operation of upper and lower leather con-stand working ability. The combined for stitched of wheel and needle ensures constant stitches in both thick and thin sewing operation. Common in small, medium or thick line of perfect tangent too busy working fine. Block patented new needle stick needle stick left and right plus a fixed, plus holder, was stable in sewing, to reduce breakage and disconnection, and can sew a more tidy appearance of the line. Tangent strong institutions for cutting thin and thick lines, and may be caused by the tangent of high-quality results. Tangent time, using separate solenoid valve to control the salad group did the thread movements to effect a more perfect tangent. Computer panel displays easy to use.

Highest sewing speed: 2500/min

Largest needle distance: 7.0mm 

Using machine needle: DP×5