Wadanne kusoshi ne ya kamata a duba? aron kusa dubawa hanyoyin Quality dubawa za a iya za'ayi daga mahara bangarori kamar ƙãre aron kusa kaya load, gajiya gwajin, taurin gwajin, karfin juyi gwajin, ƙãre aron kusa tensile ƙarfi, aron kusa shafi, zurfin decarburized Layer, da dai sauransu Domin fastener produ ...
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