本机型采用连杆挑线，大旋梭勾线，配置上下送料机构和压脚交替提升机构，缝厚能力强，层缝性能好，采用自动润滑装置，噪音低，使用寿命长，适用于皮革，人造革，帆布，座垫，沙发，箱包等制品。

This machine is suitable for sewing tent, car seat, cushions, chair covers, sofa, canvas, hand bags, gloves and general leather products with large rotary hook todecrease bobbin change frequency; auto-ubricated with double fot presser, upper and lower feeding mechanism to prevent unbalance and cransfomaton, Linktake-up, link feed mechanism. Low noise, easy maintenace and minor difference between forward stitch and reverse stitch.