- Drill Collar
- 2016-11-05 19:23
- Our drill collar is made of 4145H Modified CrMo alloy steel. It is strict according to API Spec. 7 and SY/T5144. All thr
- Tp904l Seamless Stainless Steel Tube
- 2016-10-26 13:38
- 1. Commidity: Seamless Stainless steel tubes2. Outside diameter: 6mm----426mm3. Wall thickness: 0.5mm----25mm4. Standard
- Universal Joint
- 2016-10-25 09:06
- 1. Material: Carbon Steel, Alloy Steel, Bearing Steel, Stainless Steel, Aluminium, Brass.2. Process: Forging/Casting, Ro