28. Related Party Transactions (Detail) - Table of Sales of Goods between Related Companies (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Sales between Related Parties	$ 276,242	$ 205,880	$ 1,759,719
Tangshan Feihe Trading Company [Member]
Sales between Related Parties			1,562,374
Dalian Hewang Trading Company [Member]
Sales between Related Parties	$ 276,242	$ 205,880	$ 197,345

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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