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Risks and Uncertainties | 6 Months Ended
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Jun. 30, 2018
Concentration and Major Customers and Suppliers and Concentration of Credit Risk and Risks and Uncertainties [Abstract] |
Risks and Uncertainties | (20) Risks and Uncertainties The Company is subject to substantial risks from, among other things, intense competition associated with the industry in general, other risks associated with financing, liquidity requirements, rapidly changing customer requirements, foreign currency exchange rates, and operating in the PRC under its various laws and restrictions.

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