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Products & services

Special drilling tools

Hilong Double Shoulder Connection Hilong Super High Torque Connection Hilong Gas Sealed Connection Hilong Super High-Strength Drill Pipe Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe Hilong Non-Slip-Crush Drill Pipe Hilong Slip-Protected Drill Pipe Hilong Flush Hole Drill Pipe Hilong Double-Walled Drill Pipe Hilong Arctic Service Drill Pipe Hilong Landing String Drill Pipe Hilong's Electronic Tag Drilling Tool and IoT Management System Hilong Efficient Cuttings Bed Clean Drill Tool Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe Hilong Slim Drill Pipe HLNST

Hilong Double Shoulder Connection

Hilong Super High Torque Connection

Hilong Gas Sealed Connection

Hilong Super High-Strength Drill Pipe

Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe

Hilong Non-Slip-Crush Drill Pipe

Hilong Slip-Protected Drill Pipe

Hilong Flush Hole Drill Pipe

Hilong Double-Walled Drill Pipe

Hilong Arctic Service Drill Pipe

Hilong Landing String Drill Pipe

Hilong's Electronic Tag Drilling Tool and IoT Management System

Hilong Efficient Cuttings Bed Clean Drill Tool

Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe

Hilong Slim Drill Pipe

HLNST