The company has mastered two mainstream jacket installation technologies in the industry. Firstly, for the construction method of installing the jacket after pile driving, the company has jointly developed a multi-pile holder with Zhenhua Heavy Industries, which can complete the construction of multiple jackets at the same time, and its technology leads the industry. Secondly, for the construction method of placing the jacket first and then driving piles, the company has explored and developed a complete set of construction plans for jacket leveling and grouting in construction practice, which can control key parameters such as the levelness of the jacket and the verticality of the foundation piles to reach the domestic leading level.