... currency bundling up 2) Environmental protection: a) No smoke, no smell and no pollution at work b) The smoke and abnormal smell discharge ... 3) Work noise: less than 50dB 4) Interface: digital display, easy to operate 5) Bundle quality: standard, firm, perfect, confirm ... to the 'five good bundle' standard of bank 6) Safety: no pre-heat, bundling at any time, with safe protect, ...