drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

We are Shijiazhuang Longway Petroleum Drill Tools company , a professional factory of drill pipe, our drill pipe are produced Accord with API 5D latest edition .Has been awarded....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

2.Drill pipe

Accord with API....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

2.Drill pipe

Accord with API....

Accord with API 5D latest edition .Has been awarded the certificate for compliance with standard ISO 9001-2008 GB/ T 19001-2008.
Steel Grade: E-75, X-95, G-105, S-135
O. D.....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

2.Drill pipe

Accord with API....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

2.Drill pipe

Accord with API....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit)

2.Drill pipe

Accord with API....

drill bits and PDC bits which used on the oilfield and water well, the sizes: 5 7/ 8" --17 1/ 2" ( both insert drill bits and steel tooth bit) .

Accord with API 5D latest....

Accord with API 5D latest edition .Has been awarded the certificate for compliance with standard ISO 9001-2008 GB/ T 19001-2008.
Steel Grade: E-75, X-95, G-105, S-135
O. D.....