In recent years, under the background of economic globalization and fierce competition, the world industrial steam turbine manufacturing industry has experienced continuous mergers and acquisitions. In 2000, the Japanese EBARA company bought all the shares of America ELLIOTT company, set up a ELLIOTT-EBARA turbo machinery company. In 2001, Germany MAN group, recombinant GHHBOSIG and Suhl life, forming MANTURBO company. SIEMENS acquisition of DEMAG DELEVAL company and reorganization of SIEMENS turbine machinery.

Steam turbine manufacturing enterprises in China had also been merging and acquiring. Through the introduction of digestion technology and innovation, has been formed manufacturing industry of the industrial steam turbine with the foreign advanced technology.

SIEMENS, MANTURBO, HANGZHOU STEAM TURBINE (HTC), DRESSER-RAND, MITSUBISHI and ELLIOTT lead the world's large industrial steam turbine group.