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Construction in Progress (Details Textual) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Xuzhou Huayu project [Member] |
Construction in Progress (Textual) |
Additional construction in progress | $ 12,240
Xuzhou Tian'an project [Member] |
Construction in Progress (Textual) |
Additional construction in progress | 4,250
Boxing County Chengli project [Member] |
Construction in Progress (Textual) |
Additional construction in progress | $ 4,720

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- Details
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- Details
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- Details
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