...
1/2' ,5'
1/2' Operative Standard:
API SPEC 5D,
API SPEC 7 Main feature: A. The
drill rods comply with the provisions of
API SPEC
D &
API ... exporters of OCTG and line pipe for crude
oil and natural gas delivery in China, we ... .com E-mail:
[email protected] Main Products :
1.
Oil and Gas Transmission Pipe: OD: 10.3mm - ... /X52, OCTG
oil casing and tubing
API 5CT J55/K55/N80/P110, OCTG
drill pipe
API 5DP E75/X95 ...