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Gun Drill Blanks
Special for making gun drills, Suitable for deep hole machining
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Tel：86-731-22896701
Fax：86-731-22896778
Email: sale@jgcarbide.com / zzjg@vip.163.com
Add：No. 335, Xinma South Road, Xinma Industrial Park, Tianyuan District, Zhuzhou,, Hunan, China