This is the third phase of the Yangshan Port Wharf, using the ZX3000 full hydraulic rotary drilling rig and pile holder combined technology, the construction diameter of 2000mm, slope 7; 1 inclined pile project. At present, our company has researched and developed a variety of drilling equipment using full hydraulic rotary drilling rigs (pile holding and non-holding drilling technology), impact drilling rigs, down-the-hole hammers, full-pipe rotary drilling rigs, etc. Inclined pile rock-socketed pile.