The Shenzhen-Zhongshan Link serves as a core hub for the integrated transport system in the Guangdong-Hong Kong-Macao Greater Bay Area, connecting Shenzhen and Zhongshan, as well as Nansha district of Guangzhou in Guangdong province. Involving more than 10,000 builders, the megaproject has set 10 world records and helped to create 15 core materials and key technologies. In turn, these innovations contribute a Chinese solution to the sphere of global cross-sea passageway engineering.