Derrick on a ship is a component of a boom device, which is a type of cargo lifting equipment composed of components such as a boom, lifting column, cargo rigging, and winch.

The configuration of suspension rods (the number of suspension rods and their safe working load) depends on the type, task, and scale of the vessel, such as the structure of the vessel, the type of cargo carried, the weight and volume characteristics of packaged cargo, the displacement and load capacity of the vessel, and the number and volume of cargo holds; The size of the hatch and the cargo handling conditions inside the cabin. A reasonable boom configuration should ensure that the loading and unloading time required for each compartment is roughly equal. In addition, the configuration of the boom should also take into account the facilities and usage habits of the route and dock.

Wanlida has a professional design team that develops and manufactures marine thrusters and deck machinery equipment. The products have the characteristics of stable performance, high efficiency, low noise, and simple operation.

The company has passed the quality system certification and has been recognized by domestic and foreign classification societies such as CCS in China, BV in France, LR in the UK, GL in Germany, ABS in the US, RINA in Italy, DNV in Norway, NK in Japan, etc.

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