... -layer Spun Filters with different micron rate. Power Saving:YUNDA machine comsumes about 8-15% less electricity than the common Spun ... material.Product Quality Controlled and Stable: during the production, YUNDA machine can keep stable diameter of fibers, so it can produce ... systems are from famous brands, such as Fuji, LS, Delixi,etc. YUNDA machine work stable and have a quite long service life ...