Question: How long had Lijia Zhang's birthplace been the capitol city of Yaxing Coach's headquarters location?

Knowledge 1: Lijia Zhang
Lijia Zhang or Zhang Lijia (born in May 1, 1964 in Nanjing) is a writer, journalist and public speaker. She describes herself as a communicator between China and the world and has given talks at conferences about contemporary China and lectured at many top universities including Stanford and Harvard and the University of Sydney. [SEP] Knowledge 2: Nanjing
Archaeological discovery shows that "Nanjing Man" lived in more than 500 thousand years ago. Zun, a kind of wine vessel, was found to exist in Beiyinyangying culture of Nanjing in about 5000 years ago. In the late period of Shang dynasty, Taibo of Zhou came to Jiangnan and established Wu state, and the first stop is in Nanjing area according to some historians based on discoveries in Taowu and Hushu culture. According to legend,[which?] Fuchai, King of the State of Wu, founded a fort named Yecheng (冶城) in today's Nanjing area in 495 BC. Later in 473 BC, the State of Yue conquered Wu and constructed the fort of Yuecheng (越城) on the outskirts of the present-day Zhonghua Gate. In 333 BC, after eliminating the State of Yue, the State of Chu built Jinling Yi (金陵邑) in the western part of present-day Nanjing. It was renamed Moling (秣陵) during reign of Qin Shi Huang. Since then, the city experienced destruction and renewal many times.[citation needed] The area was successively part of Kuaiji, Zhang and Danyang prefectures in Qin and Han dynasty, and part of Yangzhou region which was established as the nation's 13 supervisory and administrative regions in the 5th year of Yuanfeng in Han dynasty (106 BC). Nanjing was later the capital city of Danyang Prefecture, and had been the capital city of Yangzhou for about 400 years from late Han to early Tang. [SEP] Knowledge 3: Yaxing Coach
Yaxing Coach (Yangzhou Yaxing Motor Coach Co., Ltd) is a bus manufacturer based in Yangzhou, Jiangsu, China. It is a subsidiary of Jiangsu Yaxing that was founded in 1998. Buses are produced under the "Yaxing", "Yangtse（Yangzlv）", and more recently Asiastar brands.
Knowledge 1: Yaxing Coach
Yaxing Coach (Yangzhou Yaxing Motor Coach Co., Ltd) is a bus manufacturer based in Yangzhou, Jiangsu, China. It is a subsidiary of Jiangsu Yaxing that was founded in 1998. Buses are produced under the "Yaxing", "Yangtse（Yangzlv）", and more recently Asiastar brands. [SEP] Knowledge 2: Lijia Zhang
Lijia Zhang or Zhang Lijia (born in May 1, 1964 in Nanjing) is a writer, journalist and public speaker. She describes herself as a communicator between China and the world and has given talks at conferences about contemporary China and lectured at many top universities including Stanford and Harvard and the University of Sydney. [SEP] Knowledge 3: Nanjing
Archaeological discovery shows that "Nanjing Man" lived in more than 500 thousand years ago. Zun, a kind of wine vessel, was found to exist in Beiyinyangying culture of Nanjing in about 5000 years ago. In the late period of Shang dynasty, Taibo of Zhou came to Jiangnan and established Wu state, and the first stop is in Nanjing area according to some historians based on discoveries in Taowu and Hushu culture. According to legend,[which?] Fuchai, King of the State of Wu, founded a fort named Yecheng (冶城) in today's Nanjing area in 495 BC. Later in 473 BC, the State of Yue conquered Wu and constructed the fort of Yuecheng (越城) on the outskirts of the present-day Zhonghua Gate. In 333 BC, after eliminating the State of Yue, the State of Chu built Jinling Yi (金陵邑) in the western part of present-day Nanjing. It was renamed Moling (秣陵) during reign of Qin Shi Huang. Since then, the city experienced destruction and renewal many times.[citation needed] The area was successively part of Kuaiji, Zhang and Danyang prefectures in Qin and Han dynasty, and part of Yangzhou region which was established as the nation's 13 supervisory and administrative regions in the 5th year of Yuanfeng in Han dynasty (106 BC). Nanjing was later the capital city of Danyang Prefecture, and had been the capital city of Yangzhou for about 400 years from late Han to early Tang.
Knowledge 1: Zhang Yaoling
Zhang Yaoling was the oldest son of his father Zhang Chonghua (Duke Jinglie) and therefore was designated his heir apparent. When Zhang Chonghua died in 353, he succeeded Zhang Chonghua as the ruler of Former Liang (with the title Duke of Xiping), but actual power was in the hands of his uncle, Zhang Zuo the Marquess of Changning. In early 354, Zhang Zuo, who had carried on an affair with Zhang Chonghua's mother Princess Dowager Ma, gained her support to take over as ruler, and Zhang Yaoling was demoted to the title of Marquess of Liangning. [SEP] Knowledge 2: Princess Pei
Princess Pei (裴王后, personal name unknown) (died 354) was the wife of the Chinese state Former Liang's ruler Zhang Chonghua. Very little is known about her, including when Zhang Chonghua made her his princess. After Zhang Chonghua's death in 353, Zhang Chonghua's brother Zhang Zuo served as regent, and in early 354, he formally took over the role of ruler, with the approval of the mother of Zhang Chonghua, Princess Dowager Ma (who was said to have had an affair with him). He then, for reasons unknown, executed Princess Pei. [SEP] Knowledge 3: Yaxing Coach
Yaxing Coach (Yangzhou Yaxing Motor Coach Co., Ltd) is a bus manufacturer based in Yangzhou, Jiangsu, China. It is a subsidiary of Jiangsu Yaxing that was founded in 1998. Buses are produced under the "Yaxing", "Yangtse（Yangzlv）", and more recently Asiastar brands.

Answer: about 400 years