It adopts SUS316 in materials Make contact with section to stop the rust and safeguard the security during food packing time period, sauce barrel has heating/trying to keep heat purpose to fulfill associated necessity. The three hottest MAP strategies are gas flushing, barrier films, and scavenger or desiccant packaging. https://www.linpack.com/news/the-hidden-benefits-of-vacuum-packaging-machines-for-e-commerce-and-retail