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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@157sp.com .
說明：經過表麵發黑工藝處理，形成高強度螺栓，常用於鋼結構工程之中。
材質：20MnTiB、35VB
京東
天貓
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