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4. PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

6 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Abstract]

Property, plant and equipment

		June 30, 2017				December 31, 2016
At cost:
Mineral rights		$	4,544,643			$	4,438,115
Buildings			63,448,611				61,656,398
Plant and machinery			189,225,440				184,544,140
Motor vehicles			8,480				8,282
Furniture, fixtures and office equipment			4,662,769				4,553,473
Construction in process			—				374,790
Total			261,889,943				255,575,198
Less: Accumulated depreciation and amortization			(161,177,525	)			(146,844,072	)
Net book value		$	100,712,418			$	108,731,126

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- References

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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