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Hydro Steam-Therm Limited provides engineering procurement, installation and maintenance services for process equipment such as heat exchangers, valves and compressors, operating from its Lekki–Ajah Lagos office while also referencing operations in Rivers State; the company publishes multiple Nigeria contact lines and a central email, and third-party registry data indicates incorporation in 2021 with an additional legal address in Port Harcourt, enabling national coverage for oil and gas and industrial clients.

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