Ms. Merkel arrived in Shanghai late Monday. She is scheduled to take a trip Tuesday on the world's only commercially operating train that uses magnetic levitation, or mag-lev, technology. China's mag-lev train was built using German technology.
Ms. Merkel was in Beijing Monday. She said that during her meetings there, she found Chinese leaders in agreement that Iran should not possess nuclear weapons.
Ms. Merkel said her talks with Chinese leaders also covered human rights, which she described as an "important issue" of bilateral dialogue.
Ms. Merkel is on her first visit to China since taking office in November.