The combined action of wheel and needle ensures constant stitches in both thick and thin sewing operation.
The combined action of wheel and needle ensures constant stitches in both thick and thin sewing operation.
双滚轮式针送，利于操作上下皮料和称水准针距稳固，维持继性，爬坡力强。
The combined action of wheel and needle ensures constant stitches in both thick and thin sewing operation.
双滚轮式针送，利于操作上下皮料和称水准针距稳固，维持继性，爬坡力强。