An kafa shi a 1886 a cikin garin Asti, lardin Piedmont, Italiya, MAINA (Mana) na'urorin jigilar kayan aiki Co., Ltd. shine masana'antun kayan aikin jigilar kayan aiki don samar da kayayyakin daban-daban na jerin kayayyakin haɗi don tallatawa a yankunan Turai, Amurka, Asiya da Afirka. Ana amfani da kayayyakin Mana a masana'antun karfe, masana'antun masana'antun inji, masana'antun karfe mai launi da masana'antun wutar lantarki, takarda, siminti, man fetur da sauransu.

MAINA samar da daban-daban model bayani-bayani na kayan aiki couplings:

Maina mai haɗuwa - Maina Standard mai haɗuwa GO A

Maina mai haɗuwa - Maina babban girman mai haɗuwa GO B

MAINA mai haɗuwa - MAINA musamman mai haɗuwa G20; G35； G60

MAINA haɗuwa - haɗuwa GTS don MAINA ɗaga inji