Hejian Huanyu Petroleum Machinery Co., Ltd.. We are specialized  Tricone bits, steel tooth,TCI rock bit , kingdream ,CS,Lilin brand,PDC drill bit ,diamond core bit,bicenter bit,single cone bit , reamer bit,down hole opener,drag bit,button bit ,tricone bits,steel tooth bit,TCI bit ,pdc diamond bits , single cone bit,diamond core bit ,reamer bit,hole opener ,piling bit ,big diameter bit,drill pipe, Mud pump, stabilizers for water well, oil field, construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the best quality products and the lowest prices. (TCI bits, Milled steel tooth bits).: "8-1/2","9-1/2","12-1/4","15-1/2","17-1/2 to 26,We have been serving the drilling industry since 1998, we provide clients with quality drill bits ,drill pipe and related products. Regarding the drill bits, we can supply the sizes range from 3 " to 26 "with a large selection of both new and used bit.

IADC CODE:112 121 131,127 ,137,215 216 217 ,311 312 315 317,327,417 427 437,415 425, 435,517,527 ,537,547,517,525,535,617,627,637,647,625,635,637,712,737,837,832
Size:3 7/8, 3 5/8,4 1/2,4 5/8,5 1/2,6 ,6 1/2,6 3/4,7 7/8,8 1/2,8 3/4,9 1/2,9 5/8,9 7/8,10 5/8,12 1/4,13 3/4,14 3/4,14 5/8,16,17 1/2,20,22,23 ,24,26

As the Distributor and wholesale for kingdream bits,we supply best price.
Model: HA,HJ,GA,GJ,MD,SWT,SMD,SKH,HJT,HF,YC,SKG,SKW,SKF,A Series
Size:3?-26?
Huanyu PDC bits are owned by Hejian Huanyu Petroleum Machinery Co ,,Ltd. and designed  PDC bits for oil drilling companies.
Market:Canada,America ,Spanish ,Newsland,Austrilia ,Iran ,Saudi Arabia,Italy Syria ,..Mexico
We also import and buy(need) large quantity of surplus scrap PDC bits,used ticone bit,second-hand drill bits .
.    As the  global buyer ,we have branch office in Dubai and it makes easier for us to buy bits from all the countries.
Contact:Sera Sun
Skype:huanyusera
Add: No.12 Beihuan ,Hejian city,Hebei province, China
Mob:0086-13663277157