Erdos is located in the west of Inner Mongolian, bordering Shanxi, Shaanxi and Ningxia, 100km away from Baotou. It is the place where Genghis K'Kan Tomb is situated and the origin place of "Hetao culture". Sihai Medical & Chemical Co.,Ltd. was jointly invested by specialized dimethyl disulfide manufacturers, original Zhejiang Jiaobei Chemical Factory and Zhejiang Jinhua Alkali Industry in April of 2002. In the earlier phase, RMB 8 million was invested. There are more than 80 employees in our company, including 26 professional technicians. Within the short three years after establishment, our company has realized the intended target of tripling its production value.