What are the three brands of remote control system for ship main engine in the world?

Constable, Rolls-Royce, Wasserland. These three brands are world-renowned ship suppliers with a long history and rich experience. At the same time, they have leading technology and good reputation in the design, manufacture and service of remote control system for marine main engine. The remote control system of the ship's main engine improves the working efficiency and safety of the ship, can realize unmanned operation, and improves the reliability and flexibility of the ship.