The equipment has a large enough sintering space, suitable for laboratory sintering research can also be used for industrial production. The products are mainly used in electronic components, art ceramics, structural ceramics, thick film circuits, magnetic materials, metal heat treatment and other industries. This product is based on the box type electric furnace through the pipeline to the furnace to fill the entire furnace, so as to achieve the product in the atmosphere protection environment of high temperature sintering or heat treatment purposes.