We are Xi an Overseas Oilfield Supplies Co., Ltd based in Xian , China. We are member of Tradekey.com since November, 2009. Our business is related to Industrial Machinery industry and we specifically deal in oilfield drilling products. Please find our product details below: drill string and accessories Main products are as follows: Drill collar AISI 4145H Alloy Steel or Non-magnetic material, OD:3-1/1-11inchAPI Spec7; Integral and welded heavy weight Drill. Pipe(OD:3-1/2inch, 4-1/2inch, 5inch, 5-1/2inch; Connection:NC38, NC46, NC50, 5-1/2F H); Integral spiral blade Stabilizers(OD of bits:6inch-36inch;AISI 4145H MOD Alloy steel and non-magnetic material); kellys, etc. For specific requirements, please feel free to contact ***** drilling rig components We supply the following drilling rig components: Crown Block(TC 30, TC50, TC90, TC135, TC170, TC225, TC315, TC450); Hook Blocks(YG135, YG170, YG225, DG225, DG315, DG450, DG675, DG900); Swivels(SL135, SL160, SL170, SL225, SL450, LB140, CH125); Rotary Tables(ZP175, ZP205, ZP275, ZP375, ZP495); Draw works(JC20DB, JC30, JC30DB, JC40, JC40D, JC40DB); Mud Pumps(3NB-500F, 3NB-800F, 3NB-1000F, 3NB-1600F);Mud Pump Spare Parts. For specific requirements, please contact ***** well control system-blowout preventer and accessories We offer all kinds of BOPs and accessories including Annular BOP(WP from 2000psi to 10, 000psi; Bore Size : 7-1/16 inch, 9inch, 11inch, 13-5/8inch, 16-3/4inch, 18-3/4 inch, 20-3/4inch, 21-1/4inch), Ra m BOP(WP from 2000psi to 15, 000psi; Bore Size: 7-1/16inch, 11inch, 13-5/8inch, 16-3/4inch, 18-3/4inch, 20-3/4inch, 21-1/4inc h, 26-3/4inch). choke manifols, etc. For specific requirements, please contact ***** drill pipes, steel pipes We supply various drill pipes like API 5CT Oil Casing and Tubes(4-1/2inch-20inches, type:J55, K55, N80, L80, C90, C95, P110); API 5L Line pipes(2-3/8inch-70inches, steel grade A, B, X42, X46, X52, X60, X70, X80); API Spec 7 Drill pipes(2-3/8in.-6-5/8inches); Steel tubes for other industrial field. For specific specifications, please contact me at ***** Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.