On 19 September, the company announced that the plant was to be sold to Asia File Corporation for £4.6m, a deal that was completed on 30 September.
The sale continues the company's planned move away from paper manufacturing in favour of an expanded recycled packaging business.
In July, it sold its European office products wholesale business, Spicers, for £200m to Spanish stationery supplier Unipapel.
The Higher Kings Mill facility is currently under investigation after an employee was killed on site last month.