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Prepayment on property, plant and equipment | 3 Months Ended
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Mar. 31, 2012
Prepayment on property, plant and equipment | (5) Prepayment on property, plant and equipment As of March 31, 2012 and December 31, 2011, prepayment on property, plant and equipment consisted of $7,280,209 and $7,241,472, respectively in respect of prepaid land use right.

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- Definition Disclosure of the major components of noncurrent assets not separately presented in the balance sheet due to materiality considerations. + References No definition available. + Details
Name: | onp_OtherAssetsNoncurrentDisclosureTextBlock
Namespace Prefix: | onp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration