Akwai manyan kayan aiki guda uku don maki 12.9 kusoshi (12.9 wedge anga, 12.9 ta kusoshi): carbon karfe weji anga, bakin karfe weji anka, da kuma jan karfe. (1) Carbon karfe (kamar carbon karfe Wedge Anchor Bolts). Mun bambanta low carbon karfe, matsakaici carbon karfe, high carbon karfe da ...
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