>For the past twenty years, we have been the
main supplier of Kelly bars for drilling rig Chinese leading manufacturers. By
matching the newly manufactured drilling rigs, SW Kelly bars follow the China-made
rotary drilling rigs and have been sent in bulk to various sites of the world.
Currently, there are thousands of sets of SW Kelly bas in use on construction
sites outside China.
>For the past twenty years, we have also
been directly customizing Kelly bars for overseas drilling rig users and
providing Kelly bars for foreign brand drilling rigs.