聯(lián)系人：朱先生
電 話：0513-82661160
郵 箱：info@zdneedle.com
公司網(wǎng)址：www.sxasl.cn
地 址：江蘇省海門市悅來(lái)鎮(zhèn)新城西路48號(hào)
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 |
 | 微信號(hào)：13806280045 13773861658 |
 | www.sxasl.cn |
 | 江蘇省海門市悅來(lái)鎮(zhèn)新城西路48號(hào) |
