Specification :

Hejian Huanyu Petroleum Machinery Co., Ltd. in China. Was established in 1998.
1) Product : we specializes in manufacturing: Tricone bits, steel tooth bit, milled tooth tricone bit, tungsten carbide insert rock bit, tri-cone drill bit , 3 cone bits, rotary bit, TCI tricone bit, PDC drill bit , diamond core bit, bicenter bit, single cone bit , reamer bit, down hole opener, hole enlarger, drag bit, button bit , drill pipe, drill collar , mud pump and drilling equipment for petroleum& gas , water well , mining and tectonic industries , oil field, construction, geothermal, directional boring, and underground foundation work all over the world.
Our products not only won the trust of domestic clients, but also are exported to Canada , USA, America, Austrilia, Middle East, South Africa in the international market .

2) API and ISO certificate, Thread With API REG standard
3) we are a global wholesale supplier of tricone, and PDC bits and core bits for use in the gas, oil and mining industries.
4) Size range: from 2 7/ 8 to 26�

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
5 We also import and buy used tricone bit , steel tooth bit , TCI tricone , scrap pdc bit, renew bit, reruan bit

MSN huchunyi9@ hotmail.com
Skype huchunyi9
email: hjhyjx@ yahoo.cn
hcyamy1987@ gmail.com
Telephone: + 86-18713746034
Phone: + 86-317 -3231326
Fax : + 86-317-33231326
Website: http: / / www.huanyubits.com/
Company: Hejian Huanyu Petroleum Machinery Co., Ltd.
Address: No.12 Beihuan , Hejian city, Hebei province, China