Oops ! Our English website is under development, we expect the development to be over by June , We highly regret the inconvenience caused.
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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 .
材質：45#、40Cr
性能等級：6.8、8.8
表麵處理：熱鍍鋅、達克羅、納米複合粉末滲鋅
應用領域：地鐵盾構、隧道管片連接
京東
天貓
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