What is the first in Ningbo in the country or the first in the world (at least 5)?

The longest sea-crossing bridge in the world-Hangzhou Bay Sea-crossing Bridge The earliest ancient building in the world: the earliest "physical object" unearthed in the world 1988. During the archaeological excavation of the Neolithic site in Cihu, Cicheng Town, Jiangbei District, two clogs were unearthed, which were recognized as important discoveries by the archaeological community. Cihu clogs have a history of 5500 years, and they are the shoes of Cicheng people in Hemudu era. Ningbo is the only city in China that can say "seven thousand years" because we have Hemudu culture. The cultural relics unearthed in Hemudu once shocked the historians and rewritten the history books. Hemudu unearthed many China firsts: the earliest rice, the earliest domesticated pigs and buffaloes, and the earliest use of natural coatings. The oldest musical instrument-bone flute and so on. The first domestic light bulb made in China-Yapur light bulb 1923 The earliest towel factory in China was founded by Hu Xiyuan from Ningbo, and the earliest toothpaste factory in China was founded by Chen from Cixi in 65438. The first domestic toothpaste in China was named "Samsung brand" and was founded by Fang Yexian from Zhenhai. China's first Olympic referee was Shu Hong, a native of Cixi, Ningbo; China's first female student was Jin Yamei, a native of Yinzhou, Ningbo; China's first virtual community founder was Ding Lei and Ding Lei, a native of Fenghua, born in Chengguan, Fenghua, and graduated from Chengdu Dianzi University with a major in communication engineering. 1in may, 997, Ding Lei founded Netease company. In just over two years, relying on its technological advantages, Netease has created many firsts in the history of Internet in China: the first Chinese full-text search, the first large-capacity free personal homepage base and the first free electronic greeting card station. The first virtual community, the first online auction of new products, the first personalized service in Chinese ... China people rank 67th in the world, with total assets of 78,000,000,000,000, 00 billion —— Chen Yu, the most influential enlightening book in ancient China —— Wang Yinglin, the first movie camera manufacturer in China —— the first commercial bank founded by Zheng Chonglan and the first bank in China to issue paper money —— the founders of China Commercial Bank: Yan Xinhou, Ye Chengzhong and Zhu built and produced the first sea-crossing railway bridge in China —— Daxie Sea-crossing Bridge and the first 400,000-ton crude oil in China. Geely Automobile, the earliest and largest private automobile manufacturer in China, Tianyi Pavilion, the oldest library in China, the oldest Bund outside China, China and Yuyao: the largest mustard tuber production and processing base in China and the largest old TV processing base in China, Cixi. The largest production base of drinking fountains in China, the largest production base of double-cylinder washing machines in China, the largest export production base of miniature bearings in China, Beilun: the largest industrial base of injection molding machines in China, and Yinzhou: the largest blind date platform in China.