... style can be rope handle bag, loop handle bag, die-cut handle bag, hard plastic handle bag....4. Printing: Rotogravure to 12 colors, attractive ... Extrusion laminatorIt’s the most eco-friendly laminating process to use welding PE instead of glue, suitable for paper ... Equipment, Inverted Pressure Sterilized Boiler, Friction Coefficient Tester, Water Content of Solvent Tester, Digital Thickness Gauge.