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INVENTORIES

12 Months Ended

Dec. 31, 2017

INVENTORIES [Abstract]

INVENTORIES

7. INVENTORIES

Inventories consist of the following:

		December 31,
		2016			2017
Raw materials		$	2,947,296		$	6,087,516
Work-in-process			4,878,905			7,693,833
Finished goods			4,454,499			5,821,975
Total		$	12,280,700		$	19,603,324

Inventory write-down was $62,422, nil and nil for the years ended December 31, 2015, 2016 and 2017, respectively.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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