The following language describes the imported merchandise from China and India: The merchandise covered by these investigations is helicallywound, overhead door counterbalance torsion steel springs ...

IDC Group, Inc., Iowa Spring Manufacturing, Inc., and Service Spring Corp filed antidumping duty petitions and countervailing duty petitions on overhead door counterbalance torsion springs from China ...

This video provides a complete walkthrough on identifying broken or underpowered garage door torsion springs, determining suitable replacements, and safely removing the old springs. It also covers the ...

We wish we could tell you that torsion-bar springs are modern technology's answer to the quest for soft riding, long travel, and easily modified suspensions. When we were researching this story we ...

This video provides a complete walkthrough on identifying broken or underpowered garage door torsion springs, determining suitable replacements, and safely removing the old springs. It also covers the ...