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Semi-metallic pads, babban aikin zafin jiki
Semi-metallic (ko galibi ana kiranta da “karfe”) ƙusoshin birki sun ƙunshi tsakanin ƙarfe 30-70%, kamar jan ƙarfe, ƙarfe, ƙarfe ko sauran abubuwan haɗin gwiwa kuma galibi mai mai graphite da sauran kayan filler masu dorewa don kammala masana'antu.
Santa birki yana ba da pad ɗin ƙarfe na ƙarfe don kowane nau'in motoci.Ingancin kayan aiki da aikin aiki shine aji na farko.Abubuwan birki sun dace daidai da kowane ƙirar mota don samar da mafi kyawun aikin birki.
