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@ycjlzy.com .
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@ycjlzy.com .
材质 :45# 、40Cr
性能等级 :6.8 、8.8
表面处理 :热镀锌 、达克罗 、纳米复合粉末渗锌
应用领域 :地铁盾构 、隧道管片连接