PINGDINGSHAN, China--(BUSINESS WIRE)--Yulong Eco-Materials Limited (NasdaqCM: YECO), an eco-friendly building products and construction waste management company, today announced that it has signed new contract with one of the 13 administrative offices of the Zhengzhou City Airport Zone (Zhengzhou Comprehensive Experimental Zone for Airport-based Economy), to provide construction waste management (CWM) service for 500 homesteads to be demolished in the Wangzhuang village. The contract requires t
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