This semi-auto vacuum packaging machinery includes DT series elevator,CJS2000 vibration weighing machine,semi-auto vacuum machin packing weight150-2000gpacking accuracy0.2% ... good looking. The unit of machine realized automatic material conveyor, filling, packaging, reshaping, vacuuming, sealing cutting, product conveying, dust ... used in all kinds of beans. ZB500B SEMI-AUTO VACUUM PACKAGING MACHINERY