A biodegradable material for polylactic acid daily necessities

A daily necessities ingredient for extrusion processing under ome compost conditions

A film release platform for wet coating

A kind of coating wet film collecting tool

A tension adjustment tooling for wet coating

An antistatic device for wet coating

A butt cutting platform for coating wet film

Multi-spindle unwinding mechanism for wet film coaters

a circular composite material with both home compost and marine degradable and preparation method