dumping margin

基本解释

However large-scale abroad dilate makes these enterprises had arrived critical dumping margin.
然而大规模的海外扩张使这些企业已经到了危险的倾销边缘。
The amount of the provisional anti-dumping tariffs, the cash deposits, the guaranty letter and other forms of guaranty shall not exceed the dumping margin ascertained in the initial awards.
临时反倾销税税额或者提供的现金保证金、保函或者其他形式担保的金额，应当不超过初裁决定确定的倾销幅度。

The weighted average dumping margin is 0 and thus there is no dumping.
FORBES: Protectionist Antidumping Regime is a Pox on America's Glass House
The antidumping duty ultimately imposed is, in theory, equal to the weighted average dumping margin calculated for all U.S. sales expressed as a percentage of U.S. sales value.
FORBES: Protectionist Antidumping Regime is a Pox on America's Glass House
To appreciate the affront to fairness and mathematical integrity that zeroing represents, recall that antidumping duty rates are determined by calculating a weighted average dumping margin, which derives from individual dumping margins calculated for multiple comparisons.
FORBES: Protectionist Antidumping Regime is a Pox on America's Glass House