Best Selling Seamless Oil Drill Pipes 1.OD: 10.3- ... ,B,X42,X46,X52,X56,X60,X65,X70,X Best Selling Seamless Oil Drill Pipes We can produced drilling pipe ... 415 10.54 IEU We promise you the best competitive price, the best quality and the lead delivery time. Welcome ... , such as hydraulic upset forging machine, walking beam quenching furnace,, hot and cold straighten device, friction welding machine, middle ...