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| | Six months ended December 31, | |
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Cash flows from operating activities: | | | | | | | | |
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Adjustments to reconcile net income to net cash provided by operating activities: | | | | | | | | |
Depreciation of property, plant and equipment | | | | | | | | |
Amortization of prepaid land leases | | | | | | | | |
Amortization of intangible assets | | | | | | | | |
Allowance for doubtful accounts | | | | | | | | |
Loss on disposal of property, plant and equipment | | | | | | | | |
Share of net loss (income) of equity investees | | | | | | | | ) |
Gains on deconsolidation of subsidiaries where the Company retains an equity interest | | | | ) | | | | |
G a ins on disposal of an investment in an equity investee | | | | | | | (5,763 | ) |
Share-based compensation expenses | | | | | | | | |
Deferred income tax (benefit) expense | | | | ) | | | | |
Accretion of convertible bond | | | | | | | | |
Fair value adjustments of a bifurcated derivative | | | | | | | | ) |
Changes in operating assets and liabilities: | | | | | | | | |
Accounts receivable and retention | | | | ) | | | | |
Costs and estimated earnings in excess of billings | | | | ) | | | | ) |
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Prepaid expenses and other assets | | | | ) | | | | |
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Accruals and other payables | | | | | | | | |
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Net cash provided by operating activities | | $ | | | | $ | | |
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Cash flows from investing activities: | | | | | | | | |
Time deposits placed with banks | | | | ) | | | | ) |
Maturity of time deposits | | | | | | | | |
Purchases of property, plant and equipment | | | | ) | | | | ) |
Proceeds from disposal of property, plant and equipment | | | | | | | | |
Purchase of equity securities | | | | ) | | | | |
Cash reduced upon deconsolidation of subsidiary | | | | ) | | | | |
Proceeds received for the disposal of an equity inves tee | | | — | | | | 4,458 | |
Acquisition of a subsidiary, net of cash acquired | | | | | | | | ) |
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Net cash used in investing activities | | $ | | | | $ | | ) |