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Inventories (Details) - USD ($) | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Schedule of inventories |  |
Raw materials | $ 6,706,822 | $ 4,393,223
Finished Goods | 1,307,026 | 1,238,807
Totals | 8,013,848 | 5,632,030
Recycled paper board [Member] |  |
Schedule of inventories |  |
Raw materials | 5,803,012 | 3,337,649
Recycled scrap binding margin [Member] |  |
Schedule of inventories |  |
Raw materials | 390,863 | 547,803
Coal & gas [Member] |  |
Schedule of inventories |  |
Raw materials | 270,899 | 242,307
Base paper and other raw materials [Member] |  |
Schedule of inventories |  |
Raw materials | $ 242,048 | $ 265,464

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