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- New-type Dual Sealing Multi-function Hydraulic Packer (Patent product)
- New-type Dual Sealing Multi-function Mechanical Packer (Patent product)
- New-type MFC Clean & Scrape Integrated Operation Tool and String Selection (Patent product)
- New-type MFC Drill and Scrape Integrated Operation Tool and String Selection (Patent product)
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- TJA Series Casing And Tubing coupling bucking unit
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- YXM Rotary Cathead
- YZB(YZC) Series Of Hydraulic Power Unit
- ZP Series Of Rotary Tables
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- ZTQ SERIES DUAL-PURPOSE POWER TONGS
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- AJ Type Safety Joint
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- H Type Safety Joint
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- Reverse Circulation Junk Basket
- Reversing Spear
- Reversing sub
- Section Mill
- Series 20 Overshort
- Series 70 Short Catch Overshot
- Sliding Block Spear
- Standard Fishing Magnet
- Taper Tap
- Washover Pipe
- series 150 overshot
- Integral Heavy Weight Drill Pipe
- JARS TOOLS
- BXJ Lubricated fishing bumper sub
- CSJ Super Fishing Jar
- DJ Surface Bumper Jar
- JYSZ Double Acting Hydraulic-Mechanical Drilling Jar
- KXJ Fishing Bumper Sub
- QJZ Mechanical Drilling Jar
- QYSZ Type Full Hydraulic Drilling Jar
- SJ Double-Way Shock Absorber
- YJ one-way shock absorber
- YSJ Type Z Oil Jar
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- ZSJ/ZXJ Hydraulic & Mechanical
- Kellys & tool joints
- MILLING TOOLS
- Kelly / Bushings
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Roller Kelly Bushings
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
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| 4KRBM Roller Kelly Bushings | 4KRVS Roller Kelly Bushings | HDP Roller Kelly Bushings | HDS Roller Kelly Bushings |
