Qualifications and Honors
An invention patent for a stone paper production line that eliminates the need for granulation.
Patent Certificate for a Thin-Film Embossing Machine
A heating and forming apparatus for PVB film sheets
A PVB film winding device
A type of cutting machine
An invention patent for a PVB co‑cutting and slicing device
Invention Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate