(1. API 5DP Certification.
(2. Steel grade: E-75, X-95, G-105, S-135
(3. OD from 2-3/8'' , 2-7/8", 3-1/2", 4", 4-1/2", 5", 5-1/2''
(4. End upset: EU, IU, and IEU
(5. Connection type: NC, IF, FH
(6. Length: R1~R3
(7. The drill pipes can be manufactured with hard banding and internal coating as request, and the water well drill pipe, geological drill pipe, flat drill pipe, non-dig drill pipe are also our professional field.
Hebei Longway Petroleum Equipment Co., Ltd.
Contact:Caroline
Mob: 0086-13673119276 Skype: carolinechina2
Web: http://www.lwdrill.com