we have been 12years experience and working for high quanlity drill pipe according to GB/T9808-2008 and API5D standard to make it.We often E75.G105,S135 pipes....
Business Type: | Other | |
Main Products: | drilling pipe, api drill pipe, drill collar, | |
Established Year: | 2012 | |
OEM/ODM Availability: | Yes |
we have been 12years experience and working for high quanlity drill pipe according to GB/T9808-2008 and API5D standard to make it.We often E75.G105,S135 pipes.