- API NBR Non-Rotating Cementing Plug
- 2017-12-09 23:44
- API NBR Non-Rotating Cementing Plug 1) Type: non-rotating plugs; 2) Standard: API 3) API and ISO certified 4) Specifications: 4 1/2''---20''. More special sizes or combinat...
- Spiral Steel Rigid Centralizer of API Standard
- 2017-12-01 01:24
- Zhongshi brand Spiral Rigid centralizer has distinguished features:Spiral Rigid Centralizer is a cast steel solid centralizer that is suitable for use in open hole...
- API 11ax Stellite Valve Ball and Seat
- 2017-11-26 06:02
- API Standard Cobalt Alloy Valve Seats and Valve Balls ★ Product Description ★∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴∵∴• 1....