API Drill Pipe China manufacturer Grade: S135, G105, X95, E95 Size: (2 3/8---5 ... ) inch, Thickness: (0.2-0.5) inch. API Drill Pipe China manufacturer Stand and Grade: S135, G105, X95, E95 etc..Out Diameter ... : different and Special size available to customer requirements customized. Any of your inquiries would be highly appreciated for us. We will ...