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Email: sales@prodrill.com.cn
Tel:0086-18959243380
Addr: Room 805 C1 Wanda Plaza, No.5 Jinzhong Road, Huli District, Xiamen, China
Super Quality
02 Sep 2016
Our button bit is made with high quality of best quality alloy steel
bar and tungsten carbides, through heat treatment so that it can
withstand the toughest rock drilling demands, and transmit intensive
impact energy into the rock with the least possible loss of energy.
