> > Major Features & Function: ( 1) . Material: PP chip ( 2) .Weight range: 10-200g/ m2 ( 3) .Fabric usage: Medical applicant, Mask etc. ( 4) .absorb the advanced technology from abroad ( 5) .reasonable design ( 6) .superior performance, uniform web form ( 7) . Filament denier: less or equal to 2.5 denier. Spun laid process and technical flow chart: Additive( recycling waste edge) ---> Raw material --> Melting--> Filtering--> Measuring--> Spinning--> Cooling--> Stretching--> Web forming--> Calendaring--> Rounding--> Final products Parts of spun bonded nonwoven fabric production line: Screw extruder ---> Metering pump---> Monomer suction device---> Quenching air chamber---> Stretching device---> Calendar---> Tension device---> Rim charge auxiliary screw and recycling device ---> spinning beam ---> Filter---> Winder and suction system