Slotted pan nits head slunks an kirkiro daga kayan daban-daban, kowannensu an zaɓa don cika takamaiman buƙatun aikace-aikace. Carbon Karfe tsaye a matsayin abu ɗaya da aka saba yi don Janar - manufofin manufofin.
Phillips Countersunk flatul Head square an kera daga kayan abu daban-daban, kowane zaɓaɓɓu don dacewa da takamaiman buƙatun aikace-aikace. Carbon Carbon abu ne wanda ake amfani dashi don Janar - manufa aikace-aikace.
CSK Fat Flat Fat Scacks Scacks ana kerawa daga kewayon kayan, kowane zaɓaɓɓu don biyan takamaiman bukatun aiki. Carbon Carbon shine kayan da ake amfani da shi don Janar - Aikace-aikace na aikace-aikace. Maki kamar 4.8, 8.8, da 10.9 ana amfani da su akai-akai.
Hebei Fujinrui Muryungiyoyin Zamani da aka kafa a 2004 kuma is located a cikin gari na hannu, lardin Hebei. Kamfanin ya hada da wani yanki na murabba'in mita 10,000 kuma yana da ma'aikatan fiye da mutane sama da 200. Infofi ne wanda ke haɗe da samar da kayan kwalliya da ƙarfe na lalata na samaniya, tare da ƙungiyar fasahar samar da kayan gargajiya ta girma. Fiye da shekaru 20 na gwaninta a cikin masana'antar Fasterner.