CM Energy Tech Co., Ltd., an investment holding company, engages in the new energy sector worldwide. The company operates through Hydrogen-Based Energy; Shipbuilding and Offshore Equipment Support; Smart Electronic Control; and Marine Services segments. It offers alkaline water electrolysis hydrogen production, green fuel production and refueling services, ISCC certification services, skid mounted hydrogen production systems, core equipment for hydrogenation stations, and hydrogen energy bicycle operation services; jacking systems, pile legs and racks, cranes, deepwater active wave compensation gangways, and launch and recovery systems. The company is also involved in the design, manufacturing, installation, and commissioning of equipment related to land and offshore drilling rigs and equipment related to offshore wind power installation platform and rigs; leasing of self-owned land drilling rigs; manufacturing and sales of windings; LNG, methanol, ammonia fuel supply systems, and liquid cargo systems; design, manufacture, and install smart electronic control related to offshore drilling and wind power installation platforms and vessels. In addition, it provides supply chain and integration services in relation to oilfield expendables and supply asset management, engineering services, marine services; subleasing of land and offshore drilling rigs; and diving support construction vessels. The company was formerly known as CMIC Ocean En-Tech Holding Co., Ltd. and changed its name to CM Energy Tech Co., Ltd. in July 2023. CM Energy Tech Co., Ltd. was founded in 1995 and is based in Tsing Yi, Hong Kong.