INVENTORIES (Details)	12 Months Ended
Dec. 31, 2018 CNY (¥)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)	Dec. 31, 2018 USD ($)
Raw materials	¥ 1,337,270,185		¥ 856,151,730
Work-in-progress	1,553,346,553		1,247,357,915
Finished goods	2,852,711,200		2,170,220,346
Total	5,743,327,938		4,273,729,991		$ 835,332,403
Inventories provision	220,171,794	$ 32,022,659	313,711,534	¥ 439,000,231
Pledged inventories	¥ 171,665,538		¥ 171,141,796

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 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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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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