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 ...
So what are torsion bars? Basically they're straight steel bars that work like coil springs but twist for damping rather than compressing as coils do. The bars can be found in the front suspensions of ...
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 ...
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