China
Lyen Marine Propulsion supplies CPP, tunnel thruster, and azimuth thruster systems. They also offer AI FuelOpt and Fleet Analytics to reduce fuel consumption. The company specializes in maintaining and repairing controllable pitch propellers, tunnel, and azimuth thrusters. Lyen has delivered low-noise propulsion upgrades for the "Dongfanghong 2" oceanographic research vessel, reducing underwater radiated noise by over 10 dB. In 2026, they secured major offshore vessel propulsion orders in Southeast Asia. Founded in 2024, the company operates from multiple locations and has saved millions of kg of CO2 per year with their systems.
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