Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 12,855,900	$ 7,835,791
Restricted cash	409,226	488,719
Notes receivable	112,520	114,034
Accounts receivable, net of allowance for doubtful accounts	18,073,455us-gaap_AccountsReceivableNetCurrent	20,316,037us-gaap_AccountsReceivableNetCurrent
Inventories, net of reserve for obsolete inventories	5,204,565us-gaap_InventoryNet	4,241,022us-gaap_InventoryNet
Advances to suppliers	599,757us-gaap_Supplies	565,581us-gaap_Supplies
Deferred tax assets	377,552us-gaap_DeferredTaxAssetsNetCurrent	375,744us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses and other	158,685	153,260
Total Current Assets	37,791,660us-gaap_AssetsCurrent	34,090,188us-gaap_AssetsCurrent
PROPERTY AND EQUIPMENT, net	67,884,885us-gaap_PropertyPlantAndEquipmentNet	69,628,597us-gaap_PropertyPlantAndEquipmentNet
OTHER ASSETS:
Equipment held for sale	424,573	422,540
Land use rights, net	3,665,902us-gaap_FiniteLivedIntangibleAssetsNet	3,672,420us-gaap_FiniteLivedIntangibleAssetsNet
Total Assets	109,767,020us-gaap_Assets	107,813,745us-gaap_Assets
CURRENT LIABILITIES:
Short-term bank loans	3,028,269	3,095,219
Bank acceptance notes payable	409,226us-gaap_NotesPayableToBankCurrent	488,719us-gaap_NotesPayableToBankCurrent
Accounts payable	5,220,009us-gaap_AccountsPayableCurrent	4,322,275us-gaap_AccountsPayableCurrent
Accrued expenses	546,021us-gaap_AccruedLiabilitiesCurrent	1,059,579us-gaap_AccruedLiabilitiesCurrent
Advances from customers	821,788us-gaap_CustomerAdvancesCurrent	495,461us-gaap_CustomerAdvancesCurrent
VAT and service taxes payable	259,729us-gaap_TaxesPayableCurrent	500,569us-gaap_TaxesPayableCurrent
Income taxes payable	171,361us-gaap_AccruedIncomeTaxesCurrent	531,120us-gaap_AccruedIncomeTaxesCurrent
Total Current Liabilities	10,456,403us-gaap_LiabilitiesCurrent	10,492,942us-gaap_LiabilitiesCurrent
Total Liabilities	10,456,403us-gaap_Liabilities	10,492,942us-gaap_Liabilities
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; 0 share issued and outstanding at March 31, 2015 and December 31, 2014)
Common stock ($0.001 par value; 50,000,000 shares authorized; 3,939,986 and 3,859,986 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively)	3,940us-gaap_CommonStockValue	3,860us-gaap_CommonStockValue
Additional paid-in capital	33,792,177us-gaap_AdditionalPaidInCapital	33,517,857us-gaap_AdditionalPaidInCapital
Retained earnings	51,145,303	50,039,267
Statutory reserve	3,430,597	3,294,199
Accumulated other comprehensive income - foreign currency translation adjustment	10,938,600	10,465,620
Total Stockholders' Equity	99,310,617us-gaap_StockholdersEquity	97,320,803us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity	$ 109,767,020	$ 107,813,745

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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