... kinds of size paper cores,like fireworks tube, rolls of cloth cores etc. this paper core machine is used to ... a series of paper tube, including fireworks tube, rolls of cloth core, electricity aluminum core, cotton core , fax paper core, ... patent), tight convey frame, high efficiency, low maintain.7.Dopting two-side gluing, single stainless glue solt, imported polyurethane drawknife, the intensity ...