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Advances to Suppliers, Net (Details Textual)	12 Months Ended
	Dec. 31, 2018
Advances to Suppliers, Net [Abstract]
Construction material, description	It usually takes 3 to 6 months for the suppliers to deliver raw material for our equipment production and takes up to 6 to 12 months for the suppliers to deliver the construction materials.

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- Definition

Description of construction material.

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No definition available.

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