Stretch zaj duab xis ntau lawm kab yog siv rau PE lithium electric film;PP, PE breathable zaj duab xis;PP, PE, PET, PS thermo-shrinkage packing industrial.Cov cuab yeej yog tsim los ntawm extruder, tuag lub taub hau, ntawv cam khwb cia, lognitudinal stretch, transverse stretching, tsis siv neeg winder thiab tswj system.Cia siab rau peb cov kev tsim thiab kev ua tau zoo, peb cov khoom nta yog: