產(chǎn)品參數(shù)/ Product parameter
各種標準、非標準的，不同材質(zhì)和強度等級的緊固件，如螺栓、螺絲、螺母、墊圈等，廣泛應(yīng)用于各種工業(yè)行業(yè)及領(lǐng)域。
Various of standard or nonstandard, different material and grade levels bolt, screw, nuts and washer etc., are applied to many industries and field.
