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Oops ! Our English website is under development, we expect the development to be over by June , We highly regret the inconvenience caused.
Kindly bear with us and for enquiries please contact mail@kinlong.com .
說(shuō)明:經(jīng)過(guò)表面發(fā)黑工藝處理,,形成高強(qiáng)度螺栓,常用于鋼結(jié)構(gòu)工程之中,。
材質(zhì):20MnTiB,、35VB