◆ double chamber vacuum machine vacuum packaging machine is the introduction of semi-automatic vacuum equipment, simply press the vacuum chamber cover automatically according to set procedures to complete the evacuation, sealing, printing, exhaust the entire process. After packaged products to prevent oxidation, mold, insects become wet, can be stored on the shelf, preservation, extend product. Technical Notes ◆ double chamber vacuum machine: 1, shell made of stainless steel, the new control panel with touch-button, microcomputer control 2, prior technical parameters can be pre-programmed into the desired packaging, 3, simply press the vacuum chamber work cover, ie automated programs complete the whole process of vacuum-packed. ◆ double chamber vacuum machine packaging materials for a variety of composite films such as polyester / polyethylene, nylon / polypropylene, polypropylene / polyethylene, polyester / aluminum foil / polyethylene, nylon / aluminum foil / polyethylene composites