In March 2016, our company undertook the construction of rock-socketed piles (including straight piles and inclined piles) of my country's first (the world's largest single-machine capacity) 3.4 MW "tidal power assembly platform" pile foundation (including straight piles and inclined piles) in China near Zhoushan-Xiushan Island. In this project, we overcome natural conditions such as rapids (-5m per second) and whirlpools, and successfully carried out accurate and correct construction on the weathered bare rock in the seabed.