Hunan Great Steel Pipe Co., Ltd.

this is sunny from hebei zhankui drilling equipment co.,ltd(www.rockbits-dragbits.com) & cangzhou great drill bits co.,ltd(www.pdcbit.net). we are one of largest supplier of tricone bit and pdc bit in china. 1. about tricone bit/drilling bits (steel tooth bit&tci; bit) jz brand, lilin brand, cs brand and some other brands can be supplied and now we have large stock.we can recommend different brands (different quality requirement with different price grades) to help you to suit your different market requirements. 2.about pdc bitwe are the manufacture of pdc bit, 3 7 /8''---17 1/2''steel body and matrix body pdc bit with different detailed requirements can be designed and manufactured by ourselves. our brand is great.to meet different market, the pdc bit quality used for water well, mining, oil&gas; drilling can be supplied with different price. we can also just supply body without cutters. anything is depend on your needs. welcome to your enquiry and visit any time. thanks sunny drillbits2@zkdrilling.com mobile:0086-13613270939 msn:triconebit1@hotmail.com skype: triconebit