Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 198,671	$ 449,670
Pledged deposits	8,382,707	17,239,823
Trade accounts and bills receivable, net	16,654,801	21,751,032
Inventories	10,878,801	9,622,361
Prepayments and other receivables	5,838,302	7,143,454
Prepaid land use rights, current portion	157,170	163,352
Total current assets	42,110,452	56,369,692
Property, plant and equipment, net	41,042,524	38,908,503
Construction in progress	20,345,515	25,001,813
Prepaid land use rights, non-current	6,889,267	7,282,765
Intangible assets, net	16,052	20,869
Total assets	110,403,810	127,583,642
Current liabilities
Current maturities of long-term bank loans	10,562,506	3,659,324
Other short-term loans	8,299,381	14,147,801
Trade accounts and bills payable	38,868,418	52,495,063
Notes payable	1,293,630
Accrued expenses and other payables	16,383,921	18,201,351
Payables to former subsidiaries, net	855,860	4,301,646
Deferred government grants, current	138,334	143,775
Total current liabilities	76,402,050	92,948,960
Long-term bank loans, net of current maturities	9,388,894	20,614,194
Deferred government grants, non-current	4,046,300	4,313,289
Product warranty provision	2,201,296	2,250,615
Long term tax payable	6,859,474	7,129,285
Total liabilities	98,898,014	127,256,343
Commitments and contingencies
Shareholders' equity
Common stock $0.001 par value; 500,000,000 authorized ; 26,791,684 issued and 26,647,478 outstanding as of December 31, 2018, 44,319,687 issued and 44,175,481 outstanding as of September 30, 2019	44,320	26,792
Donated shares	14,101,689	14,101,689
Additional paid-in capital	174,720,352	155,931,770
Statutory reserves	1,230,511	1,230,511
Accumulated deficit	(172,287,288)	(165,409,890)
Accumulated other comprehensive loss	(2,309,584)	(1,498,940)
Stockholders' equity (deficit) before Treasury Stock	15,500,000	4,381,932
Less: Treasury shares	(4,066,610)	(4,066,610)
Total shareholders' equity	11,433,390	315,322
Non-controlling interests	72,406	11,977
Total equity	11,505,796	327,299
Total liabilities and shareholder's equity	$ 110,403,810	$ 127,583,642