We are Hejian Guangda Petroleum Drilling Equipment Sales Co., Ltd. We are in the region a major distributor of dring bits.Now we need a large of PDC cutter.If you have some pls do not hesitate to contect us Show More...
Resistivity: => 300 Ω.cmCarbon: ≤0.2 Type: N Acceptor:≤0.1 Size:L Show More...
We are Hejian Guangda Petroleum Drilling Equipment Sales Co., Ltd. We are in the region a major distributor of dring bits.Now we need a large of PDC cutter.If you have some pls do not hesitate to contect us Show More...