45# steel gear
Date：[2014/12/15]
ID：YJX14121503
Tel：0755-83686090
Email: skerlin@szyujiaxin.com
Whatsapp: 15986816992
Skype: +8615986816992
Wechat: yujiaxin-666
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Keywords: Alloy steel gear | stainless steel gear | steel gear | 45# steel gear | 40Cr gear
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