A model of a self-propelled launch ship developed by a Yantai company. It is the first engineering ship in China capable of professionally launching a marine satellite. [Photo by Liu Chuan/chinadaily.com.cn]

A model of Bluewhale I, one of the world's most advanced ultra-deepwater semi-submersible drilling rigs, built by Yantai CIMC Raffles Offshore (CIMC Raffles), is on show. [Photo by Liu Chuan/chinadaily.com.cn]

A model of the TP500 unmanned transport aircraft is displayed. It is the first large unmanned transport aircraft fully developed in accordance with the requirements of China's civil aviation agency. [Photo by Liu Chuan/chinadaily.com.cn]

A model of a snow wax truck. During the Beijing 2022 Winter Olympics, snow wax trucks with the largest floor area in the world, which were independently developed by Chinese companies from design to production, attracted significant attention. [Photo by Liu Chuan/chinadaily.com.cn]