SL1200B high-speed double side sealing double tear buffer air column bag making machine (mechanical)
HXD1500 annular buffer air column bag sheet machine
HLD900J Hoist Air Cushion Coiler (Mechanical)
SL1200 High Speed One Out Two Buffer Air Columns Any Point Breaking Machine
SL-800 Buffer cylinder bag machine
Sl-021 Air bag
Obtained a number of national invention and utility model patents