Quarterly report pursuant to sections 13 or 15(d)

CERTAIN RISKS AND CONCENTRATIONS (Details Textual)

v2.4.0.8
CERTAIN RISKS AND CONCENTRATIONS (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Purchases From Major Suppliers Percentage     10.00%  
Sales To Major Customers Percentage     10.00%  
China Dredging Group Co Ltd [Member]
       
Purchases From Major Suppliers Percentage 65.00% 50.00% 67.00% 49.00%
Sales To Major Customers Percentage 42.00% 57.00% 31.00% 59.00%