SL1200A High speed buffer air column coiled material machine
SL1200B High speed cushion air column coiler machine
SL1200A High speed buffer any point cut off air column coiled material machine
SL1200B High speed buffer bag making machine with any point air break column(Pneumatic)
SL900 High speed gourd bubble, air pillow and shoe supportall-in-one machine
SL1200B High speed double side sealing and double easy tearingbuffer air column bag making machine(Mechanical)
Obtained a number of national invention and utility model patents