0086-573-82071082 sales@qbfastener.cn English
Tel：0086-573-82071082 Fax：0086-573-82071081 E-mail：sales@qbfastener.cn Address：NO. 709, Tongle Building, Tongle Road, Nanhu District, Jiaxing, Zhejiang, China.
  • ANSI B18.2.4.5M
  • UNI5589
  • ISO4035
  • DIN936
  • DIN439
  • JIS B1181 M5-M90
  • ANSI B18.2.4.6M
  • ANSI B18.2.2
  • ASTM A563M
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