... : National spunbond nonwoven standard Type of Machine Type: S1.6, S2.4, S3.2, SS1.6, SS2.4, SS3.2, ... technology and domestic production experience, developed this line. The line's advantage is lower investment, compact construction, smaller working area, ... . 5)Using more specialized processing equipment, improve the machine's accuracy and performance, reduce manufacturing costs, and better quality ...