It adopted the !astest three-automaticunwinder device, double edge corecion,
imported photocellcomputer controllength,imported inverter sealed by computer
with rational structure,simpliciyofne thecescoo pmeolo makemeued and pou,
mhakrd hstn merleelsreronvoy i baset6Mmateral TyvekPEPE,TekEasytearPE/PEPE.