OTC:RBTK | Gross Margin | ZHEN DING RESOURCES INC.

Complete source-backed gross margin history.

Available history
2014-06-30 to 2014-12-31
Data captured

Historical Gross Margin

DateGross Margin
2014-12-3120.01%
2014-06-3046.01%

Annual Gross Margin

DateGross Margin
2014-12-3127.25%

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