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Manoir Industries was created in 1917 in Pîtres and was built between the towns of Pîtres and Le Manoir from which it derives its trade name.
Manoir has become the Manoir Industries group by successive acquisitions.
In 2013, its new shareholde The Yantai Taihai Group, Manoir Industries partner for 15 years, is a leading private company in China for nuclear casting and forging components. Taihai committed to a long-term partnership with Manoir by speeding-up investments and building-up its international position.



Acquisition of Manoir Gears® dedicated to gear cutting


Acquisition of the Manoir Industries group by the Taihai group (leading private company in China for nuclear market)


Acquisition of Manoir Yantai à 100%



New shareholder (industrial vs financial shareholders)
JV with a Chinese Yantai partner



Merging with Bar Lorforge made up of the forging plant of Custines


Acquisition of Gerlach Industries including the forging plant in Bouzonville



First microalloyed tubes (Ti, Zr) and introduction of ethylene 35/45


Creation of Manoir Industries



Start of the centrifugation for refractory steel tubes


Creation of the Aciéries du Manoir –Pompey Company



Orientation and modernization of the factory for the high alloy cast components.


Acquisition of land in the Manoir and Pitres areas by the Aciéries de Pompey Company and creation of a foundry plant. The production of carbon steel supplied the French army.