Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 81,767	$ 76,715
Pledged cash	31,721	29,688
Accounts and notes receivable, net - unrelated parties	189,144	211,841
Accounts and notes receivable - related parties	19,881	21,164
Inventories	82,011	82,931
Other current assets	35,834	18,974
Total current assets	440,358	441,313
Non-current assets:
Property, plant and equipment, net	136,058	140,481
Land use rights,net	10,392	10,346
Long-term Investments	49,754	39,642
Other non-current assets	30,859	28,374
Total assets	667,421	660,156
Current liabilities:
Short-term loans	44,588	46,636
Accounts and notes payable - unrelated parties	189,915	180,175
Accounts and notes payable - related parties	11,518	6,492
Accrued expenses and other payables	48,866	45,341
Other current liabilities	25,918	25,135
Total current liabilities	320,805	303,779
Long-term liabilities:
Long-term government loans	0	7,167
Other long-term payable	2,103	4,948
Long-term tax payable	23,884	26,693
Other non-current liabilities	8,013	8,010
Total liabilities	354,805	350,597
Commitments and Contingencies (See Note 23)
Mezzanine equity:
Redeemable non-controlling interests	517
Stockholders' equity:
Common stock, $0.0001 par value - Authorized - 80,000,000 shares; Issued - 32,338,302 and 32,338,302 shares as of September 30, 2020 and December 31, 2019, respectively	3	3
Additional paid-in capital	64,273	64,466
Retained earnings-
Appropriated	11,265	11,265
Unappropriated	218,741	221,298
Accumulated other comprehensive income	4,181	(3,462)
Treasury stock - 1,486,526 and 1,164,257 shares as of September 30, 2020 and December 31, 2019, respectively	(5,261)	(4,261)
Total parent company stockholders' equity	293,202	289,309
Non-controlling interests	18,897	20,250
Total stockholders' equity	312,099	309,559
Total liabilities, mezzanine equity and stockholders' equity	$ 667,421	$ 660,156