Akwai masu samar da na'urorin ƙarfe da dama a China. Wasu daga cikin shahararrun masana'antun sun haɗa da:

1. Liaocheng Sihe kayan ƙarfe mai iyaka

Waɗannan masana'antun suna ba da nau'ikan bututun ƙarfe masu naɗewa iri-iri a matakai daban-daban, girma dabam-dabam, da ƙayyadaddun bayanai don biyan buƙatun aikace-aikacen masana'antu daban-daban. Ana ba da shawarar tuntuɓar masana'anta kai tsaye don ƙarin bayani game da samfuran su, gami da takaddun shaida na musamman, sarrafa inganci da hanyoyin kera su.