... heat seal packing machine, used for packing the fresh angent, dryer,charcoal,etc. This kinds of filter paper suitable for heat ... seal packing machine, used for packing the fresh angent, dryer,charcoal,etc in industries of medical and heal care, chemical ... , we can according to client's demand print the letters on the dryer papers. Main technical index:Weight:28.5gsm-31.5gsmwidth ...