Chinese style equipment mainly used in organic synthesis laboratories of pharmaceutical, chemical, laboratory and other institutions, used in organic compound synthesis experiments, and is one of the main equipment in biochemical pharmaceuticals. The kettle body is made of double layered glass sintered, and cooling and heating liquids can be passed between the two layers. The design of the bottom filter plate allows the equipment to withstand a pressure of 100KG of reaction solution. The filtering device is made of flange and PTFE material and connected to the kettle body. The filter is made of glass sand core, which is easy to disassemble, clean and replace.