# NSG VIETNAM TRADING AND TECHNICAL SERVICE LIMITED LIABILITY COMPANY

> Oil-and-gas drilling equipment and spare parts supply.


## Pages

- [My Account](https://nsgpetrosupply.com/my-account-2/)
- [Checkout](https://nsgpetrosupply.com/checkout-2/)
- [Cart](https://nsgpetrosupply.com/cart-2/)
- [Scope](https://nsgpetrosupply.com/scope/)
- [Contact](https://nsgpetrosupply.com/contact/)
- [About](https://nsgpetrosupply.com/about/)
- [Home](https://nsgpetrosupply.com/)
- [My account](https://nsgpetrosupply.com/my-account/)
- [Checkout](https://nsgpetrosupply.com/checkout/)
- [Cart](https://nsgpetrosupply.com/cart/)
- [Shop](https://nsgpetrosupply.com/shop/)

## Products

- [Drill Collar Lift Sub](https://nsgpetrosupply.com/product/drill-collar-lift-sub/): A machined alloy-steel lift sub provides a handling connection for compatible drill collars and other drill-string sections. Specify the thread form and dimensions required for your lifting setup.
- [Rotary Kelly Cock](https://nsgpetrosupply.com/product/rotary-kelly-cock/): A heavy-duty rotary kelly cock provides a manually operated shutoff point in the drilling string. Choose the required connection sizes and pressure specification to match the rig setup.
- [Drill Pipe Float Valve](https://nsgpetrosupply.com/product/drill-pipe-float-valve/): This drill-string check valve helps limit backflow through the drill pipe during handling and operations. Select the compatible valve style, connection, and internal diameter for the assembly.
- [Mud Pump Valve Seat](https://nsgpetrosupply.com/product/mud-pump-valve-seat/): A hardened alloy-steel valve seat is a replaceable wear part for mud pump fluid ends. Its precision-machined seating surface supports a close fit with a compatible pump valve.
- [Mud Pump Piston Assembly](https://nsgpetrosupply.com/product/mud-pump-piston-assembly/): A replaceable mud pump piston assembly combines a steel hub with a durable elastomer sealing element for fluid-end service. Confirm the pump model and piston dimensions before ordering.
- [Mud Pump Fluid Liner](https://nsgpetrosupply.com/product/mud-pump-fluid-liner/): A replaceable fluid-end liner for reciprocating oilfield mud pumps, with a precision-finished bore and robust steel outer body. Choose the liner diameter and pump compatibility to match your equipment.
- [Spiral Blade Stabilizer](https://nsgpetrosupply.com/product/spiral-blade-stabilizer/): This steel downhole stabilizer uses spiral blades to help maintain drill-string position in the borehole. Available in selectable hole sizes and connection configurations for drilling assemblies.
- [Drill Pipe Crossover Sub](https://nsgpetrosupply.com/product/drill-pipe-crossover-sub/): A machined alloy-steel crossover sub connects drill-string components with different thread types or sizes. Specify the required connection ends and dimensions when ordering.


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