由航天部二三九厂研制的DZ—280A型自动真空包装机于一九八八年四月十三日通过部级鉴定。 DZ—280A型自动真空包装机适用于食品、药材、电子元器件、五金零件等的真空包装。该机通过机械和可编程控制器实现自动送袋、气流张开口袋、自动抽真空及封口,从而使包装过程自动化,降低了操作工人的劳动强度,提高了生产率。主要技术性能已达到八十年代中期国际同类产品水平。 DZ-280A automatic vacuum packaging machine developed by Aerospace Department 2309 passed the ministry appraisal on April 13, DZ-280A automatic vacuum packaging machine for food, medicine, electronic components, metal parts, such as vacuum packaging. The machine through the mechanical and programmable controller to achieve automatic bag, air bag open, automatic vacuum and sealing, so that the packaging process automation, reducing the labor intensity of the operator, improve productivity. The main technical performance has reached the mid-eighties the level of similar products.