Pfizer Inc. is an American global pharmaceutical corporation based in New York City. Its research headquarters is located in Groton, Connecticut. Actually, it is among the world's largest pharmaceutical companies. It is also listed on the New York Stock Exchange. Since 2004, its shares have been a component of the Dow Jones Industrial Average. Pfizer is named after a German-American Charles Pfizer who co-founded the company together with his cousin Charles F. Erhart. The first name of the company was Charles Pfizer and Company (chemicals business).
Circulating thermostatic water bath is water circulation and cooling function based on the increase in the water bath, can improve the precision of temperature control and temperature stability, can be widely used for drying, distillation, concentration, dipping in chemical reagents, impregnation of pharmaceutical and biological products, can also be used for constant heating water and other temperature test, is a biological, genetic, viral, aquaculture, environmental protection, medicine, health, biochemical laboratory, analysis room, education and scientific research necessary tools.