Correct

低档

/ dīdàng / 
Strokes

Definition

low-grade/of low worth or rank/poor quality/inferior

Example

As an Adjective

low-grade; of low grade/rank; inferior

1
Dīdàng
低档
huò
货

inferior goods

2
Dīdàng
低档
chǎnpǐn
产品

low-grade product