CMIC Ocean En-Tech Holding Co., Ltd., an investment holding company, engages in the design, manufacture, installation, and commissioning of capital equipment and packages on land and offshore rigs worldwide. It operates through three segments: Capital Equipment and Packages, Oilfield Expendables and Supplies, and Management and Engineering Services. The company engages in asset investment and operation management of offshore engineering platforms; and offers specific equipment products, which include cranes, machine rack pipes, jacking systems, power control and transmission systems, tension adjustment and compensation devices and systems, etc. It also provides drilling rigs maintenance, repair, and operation products and services comprising oilfield expendables, accessories and parts manufacturing, and sale and repair services; and provides management and engineering services. In addition, the company offers rig turnkey solutions; trades in rig equipment and oilfield expendables, as well as manufactures and trades in rig electrical control systems; designs and manufactures mechanical handling equipment; and sub-leases drilling rigs. Further, it is involved in the research and development and sale of offshore wind power related equipment. The company was formerly known as TSC Group Holdings Limited and changed its name to CMIC Ocean En-Tech Holding Co., Ltd. in February 2019. CMIC Ocean En-Tech Holding Co., Ltd. was founded in 1995 and is headquartered in Kwai Chung, Hong Kong.