Tianjin Jinteng Experiment Equipment Co., Ltd. is a new and high technology enterprise engaging in both industry and commerce. We have passed the authentication of ISO9001:2015 Quality Management System, ISO14001:2004 Environment Management System, and the most important CE. "Jinteng" series of Diaphragm Vacuum Pumps produced by our company include the following six models: GM-0.20,GM-0.33II, GM-0.33III, GM-0.50, GM-0.50II, GM-1.00, GM-2 and GM-0.5F. This series of products have the features of more advanced design, wider working range, longer operating life and they are mainly used in medicinal products analysis, tenuously chemical engineering, biochemical pharmacy, mechanical test, teaching and scientific research, investigating and solving criminal case, etc. They are also the ideal products to be used with both domestic and overseas sophisticated analytical apparatus together, such as high-accuracy chromatogram apparatus and revolve to evaporate instrument. In addition, our products still have Solvent Filtration Apparatus, Syringe Filter, Membrane Filter and Manifolds Vacuum Filtration, etc. The technique and quality of the products is of first-class within the same field.