Ansardo, Italy, is one of the leading manufacturers of heavy-duty gas turbines. It was early on the foundry of Siemens gas turbine products. Later, with independent research and development investment and the acquisition of French Alstom Gas Turbine Assets (located in Baden, Switzerland) in 2016. , making it one of the world's largest gas turbine manufacturers, and gradually forming a series of heavy-duty gas turbine products with unique characteristics. Alstom gas turbines are characterized by their ease of maintenance, high efficiency and low environmental impact. The company offers products in the E-Class, F-Class and H-Class technology fields, with power output ranging from 80MW to 538MW.

Ansaldo is a company with third-party gas turbine technology that can provide after-sales maintenance services for its own products and gas turbines and generators produced by competitors.