https://www.techspan.co.nz/wp-content/uploads/2015/08/filter-collar-bonder-bonds-filter-bags-to-collars-NZ-AUS.jpg229700Techspan Adminhttps://www.techspan.co.nz/wp-content/uploads/2023/09/techspan-01-01.svgTechspan Admin2015-08-24 10:04:002020-06-11 16:13:47Ultrasonic Welding – Filter Sock to Plastic Ring – VIDEO
