Headquartered in Leverkusen, Germany, the company has 750 production plants in 200 places on six continents. With120,000 employees and 350 branches, it is almost all over the world. Polymer, medical care, chemical industry and agriculture are the four pillar industries of the company. The company's product range exceeds 10000, and it is the largest industrial group in Germany. The development history of Bayer is the constant pursuit of higher quality of life. The company was established in Germany, 1863. 1On March 6th, 899, Bayer Company obtained the registered trademark of aspirin, which later became the most widely used and well-known drug brand in the world, and was called the medicine of the century.