联系人：朱先生
电 话：0513-82661160
邮 箱：info@zdneedle.com
公司网址：www.zdneedle.com
地 址：江苏省海门市悦来镇新城西路48号
According to the weight of leather and sewing thread track is usually around 3-4 pin per centimeter. At the same time,people should check the pressure of the foot.the pressure should be smaller than the standard. the sewing speed should be slow and the leather should not be tighten, Also,in order to prevent tearing the leather. people should not return the needle to sewing the leather, knot must be the last step in the sewing production .
 | 400-879-1600 |
 | 微信号：13806280045 13773861658 |
 | www.zdneedle.com |
 | 江苏省海门市悦来镇新城西路48号 |
