Where is the Cheng Nan factory located?

Cheng Nan Site is a cultural relic protection unit in Jiangsu Province.

Cheng Nan is located at the east side of Chengnan Village South 1 km road, Yaxi Town, Gaochun District, Nanjing, Jiangsu Province.

Cheng Nan site, also known as "Huakai City" and "Niucheng". According to the history, "Huakai City is the old city of Lishui, and it was built here in the Sui Dynasty." Gaochun was under the jurisdiction of Lishui from Sui Dynasty to Tang Dynasty. In the fourth year of Hongzhi in Ming Dynasty, Gaochun County was located in the south seven townships of Lishui. At the end of the Northern Song Dynasty, Yue Jiajun fought against nomadic people. Niu Hao led a team to capture the city occupied by the enemy with fire, which was a great blow to the enemy. Later generations renamed it "Niucheng" to commemorate it. The plane of the city site is irregular and round, and the city wall is rammed with soil. When the periphery of the city is protected, the outline is clear and regular. In the west of Cheng Hao, there is a mound with a diameter of over 20 meters and a height of about 6 meters, which is similar to a beacon tower.

On June 22nd, 2002, 10, Cheng Nan Site was announced as the fifth batch of cultural relics protection units in Jiangsu Province.

Yaxi Street: Yaxi Town of Gaochun County is located in the east of Gaochun County, Nanjing. It is one of the new small towns in Jiangsu Province, with Liyang in the east, 8 kilometers from Dingbu Town, Langxi County, Anhui Province in the south and Lishui County in the north. The town has a total area of 1 15 square kilometers and a population of 50,000. Yaxi has a long history, with human activities as early as 3000 years ago. The formation of Yaxi market town began at the end of Chongzhen in Ming Dynasty, and its superior geographical conditions made it a commercial gathering center in the border areas of two provinces and four counties. The traffic in the market town is very convenient, and the water navigation can reach Jiangsu, Wuxi, Changzhou and Shanghai, within Taihu Lake.