The earliest astronomical work in the world-Shi gan xing Jing

Tang Daizong and his party are the first people in the world to measure the meridian.

The world's earliest guide instrument-"Sina"

The earliest seismograph in the world-the seismograph invented by Zhang Heng.

China, the first country in the world to invent paper.

The Inventor of Printing in the World —— Bi Sheng in the Northern Song Dynasty

The world's earliest gunpowder weapon-rocket

The largest bronze found in the world-Simuwu Dafang Ding

China is the first country to make lacquerware in the world.

Sun Tzu's Art of War, the earliest art book in the world.

Liu Hui, a mathematician in the Three Kingdoms period, was the first person in the world to put forward a correct calculation method of pi.

Zhao Zhouqiao, the oldest stone arch bridge in the world.

The world's largest stone Buddha statue-Leshan Giant Buddha in Sichuan

The earliest and most complete architectural work in the world-French architecture

The earliest general anesthetic in the world-Hua Tuo's "Ma Fei San"

The World's First National Pharmacopoeia —— Tang Herbal Medicine

The greatest navigator in ancient times-Zheng He in Ming Dynasty

At that time, the largest series in the world-Sikuquanshu.

The oldest dental record in the world-Shang Dynasty