When the ecological environment is increasingly valued, hydropower, as a renewable resource, has been extensively developed and utilized, such as the construction of hydroelectric power stations. At the same time, many water conservancy gates are needed to control and manage water resources. Hengli can provide hydraulic cylinders for radial gates of hydraulic dams, hydraulic cylinders for water inlet maintenance gates and other products for gates of various water conservancy projects. According to the requirements of the project, using special materials and optimizing the structural design, these hydraulic cylinders are sufficient to resist the harsh working