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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
6 Months Ended
Apr. 30, 2012
Apr. 30, 2011
Cash flows from operating activities:    
Net income $ 20,157,353 $ 18,029,351
Adjustments to reconcile net income to operating activities:    
Depreciation 197,504 189,667
Amortization 360,749 201,006
Share compensation 48,616 60,799
Noncash rental expenses 529,344 379,029
Warrants liability reevaluation (18,531) (277,922)
Deferred tax assets   (134,576)
Changes in assets and liabilities:    
(Increase) in trade receivables, net (5,068,683) (192,743)
(Increase) in due from related parties 0 (38,455)
(Increase) in inventory, net (7,221,052) (3,319,538)
Decrease (Increase) in other receivables, net 6,704,620 (60,925)
(Decrease) in accounts payable (269,184) (176,136)
(Decrease) Increase in tax payable (1,515,721) 1,157,489
Increase in accrued employee benefits 288,168 283,444
Net cash provided by operating activities 14,193,182 16,100,490
Cash flows from investing activities:    
Deposits for land use right, property and patents 0 (15,161,164)
Refunds from patents deposit 2,524,456 0
Increase in construction-in-progress 0 (1,872,404)
Purchase of property and equipment 0 (5,826)
Net cash provided by (used in) investing activities 2,524,456 (17,039,394)
Effect of exchange rate changes on cash 113,228 739,905
Net increase (decrease) in cash 16,830,866 (198,999)
Cash, beginning of year 15,283,583 27,826,142
Cash, end of year 32,114,449 27,627,143
Supplemental disclosure of cash flow information:    
Cash paid during the year for income taxes 0 0
Interest paid during the year $ 0 $ 0