Sunan laƙabi
A cikin Turanci, faifan birki yawanci suna wakilta da: BRAKE DISC ko BRAKE ROTORS, kuma ganguna suna wakiltan: BRAKE DRUM.Bugu da kari, ana kiran faya-fayan birki da birki diski a kudancin kasata.Hasali ma, dukkansu suna nufin abu guda ne.
Asalin rarraba
Birki fayafai samfuran simintin gyare-gyare ne.Saboda tasirin yanayin yanayi, arewa tana da sanyi sosai, kudu kuma tana da zafi sosai, don haka galibin wuraren samar da fayafai na birki suna a yankunan Shandong, Hebei, da Shanxi, musamman a masana'antar faifan birki a Laizhou da Longkou. Shandong.Shi ne farkon farawa da masana'antun da yawa.
