Profile Extrusion Line,Plastic Profile Production Line,Plastic Profile Extrusion Line,Wide Profile Production Line Zhangjiagang Langbo Machinery Co. Ltd. , https://www.langboextrusion.com
Uneven double-needle design , double -thread parallel chained sewing , which can make products much firmer, credibility , flexible .
Suitable for sewing thin and medium material , such as clothing knitting , leather etc .