INVENTORIES (Details)	12 Months Ended
Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 CNY	Dec. 31, 2012 CNY
INVENTORIES [Abstract]
Raw materials		638,652,057	239,284,316
Work-in-progress		324,604,192	103,161,011
Finished goods		927,891,802	369,583,888
Total	304,797,739us-gaap_InventoryNet	1,891,148,051us-gaap_InventoryNet	712,029,215us-gaap_InventoryNet
Inventories provision	12,238,546us-gaap_InventoryWriteDown	75,935,281us-gaap_InventoryWriteDown	163,728,489us-gaap_InventoryWriteDown	332,337,477us-gaap_InventoryWriteDown
Pledged inventories		200,414,527

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

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The carrying amount, as of the date of the latest financial statement presented, of other assets which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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