With the rapid development of China’s economy, enormous technological and infrastructure projects have mushroomed across the country one after the other. Behind these incredible feats of engineering are numerous craftsmen with unrivalled skills and knowledge. In a bid to better understand the secrets behind China’s technical marvels, CGTN followed these master craftsmen to unveil the stunning work they have contributed towards the Chinese dream! The inertial navigation system (INS) is an essential component of a rocket, requiring particular attention. Li Feng’s job is to fine tune the INS accelerometer, the most important part of the INS. Watch this video to see how he uses precision and technique to help keep the rocket on its path.