It adopts SUS316 in materials Speak to section to prevent the rust and shield the safety for the duration of food packing period, sauce barrel has heating/preserving heat purpose to fulfill connected necessity. Warmth shrinkable sleeve labeling, tamper apparent band & multi-pack applicators & extend sleeve label applicators All https://www.linpack.com/news/choosing-the-right-tray-sealing-machine-for-your-business