Release time：2013-12-19
We can make the threaded drilling tools ,like bits,rods,and coupling of the following thread:Previous：Tapered Rock Drilling Tools
Next：Shank Adaptors
JBT(BEIJING)ROCKTOOLS Co. LTD Website: www.jbtchina.com.cn Email:sales@jbtchina.com.cn
Address: Room 712,Building B,XingHua Street,Daxing District,Beijing,China
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