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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
3 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Cash flows from operating activities:    
Net income $ 12,307,232 $ 10,948,295
Adjustments to reconcile net income to operating activities:    
Depreciation 98,910 94,091
Amortization 180,554 35,253
Share compensation 25,739 25,796
Noncash rental expenses 264,935 188,202
Warrants liability reevaluation (4,998) (187,342)
Changes in assets and liabilities:    
(Increase) in trade receivables (10,664,863) (6,077,469)
(Increase) in due from related parties 0 (27,177)
(Increase) in inventory, net (8,834,257) (4,736,029)
Decrease (Increase) in other receivables, net 6,717,399 (256,099)
Increase in accounts payable 230,997 149,153
Increase in tax payable 2,929,651 996,035
Increase in accrued employee benefits 107,166 148,081
Net cash provided by operating activities 3,358,465 1,300,790
Cash flows from investing activities:    
Deposits for land use right, property and patents 0 (15,056,160)
Refunds from patents deposit 2,526,967 0
Increase in construction-in-progress 0 (1,859,436)
Purchase of property and equipment 0 (5,171)
Net cash provided by (used in) investing activities 2,526,967 (16,920,767)
Effect of exchange rate changes on cash 255,965 178,456
Net increase (decrease) in cash 6,141,397 (15,441,521)
Cash, beginning of year 15,283,583 27,826,142
Cash, end of year 21,424,980 12,384,621
Supplemental disclosure of cash flow information:    
Cash paid during the year for income taxes 0 0
Interest paid during the year $ 0 $ 0