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 [email protected] .
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 [email protected] .
說明:經(jīng)過表面發(fā)黑工藝處理,,形成高強度螺栓,,常用于鋼結(jié)構(gòu)工程之中,。
材質(zhì):20MnTiB,、35VB