HNA supplies a full line of slip inserts which are made of high-quality alloy steel, chemically heart-treated for surface hardness, wear-resisting, corrosion-resisting and a long....

HNA supplies three models of Rotary Slips which accommodate drill pipes from 2 3/ 8 to 5 1/ 2 inch O.D:
SDSâ € ” Short Rotary Slips
SDMLâ € ” Medium Rotary Slips
SDXLâ € ” Extra Long Rotary....

HNA offers Pony Rods, Piston Rods and Clamps to meet today' s tough oilfield requirements.
Pony Rods
Our Pony Rods incorporate the longer wearing surface to provide the best Pony....

Heat-treated and internally hardened for high durability; available in various materials to meet a wide range of applications; standard one or two-piece configuration, with....