Property, Plant and Equipment, Net (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Summary of property plant and equipment
Property, plant and equipment, gross	$ 7,225,500	$ 6,471,424
Less: accumulated depreciation	(1,962,250)	(1,658,192)
Property, plant and equipment, net	5,263,250	4,813,232
Buildings and leasehold improvements [Member]
Summary of property plant and equipment
Property, plant and equipment, gross	5,145,255	4,596,527
Plant and equipment [Member]
Summary of property plant and equipment
Property, plant and equipment, gross	1,558,293	1,365,043
Motor vehicle [Member]
Summary of property plant and equipment
Property, plant and equipment, gross	172,672	168,984
Office equipment [Member]
Summary of property plant and equipment
Property, plant and equipment, gross	$ 349,280	$ 340,870