3. NET INVESTMENT IN SALES-TYPE LEASES

Under sales-type leases, Shanghai TCH leased TRT systems to Xingtai and Zhangzhi with terms of five and thirteen years, respectively and leased CHPG systems to Tong Chuan Shengwei and Jin Yang Shengwei respectively for five years, BMPG systems to Pucheng for fifteen years, BMPG systems to Shenqiu for eleven years, and a power and steam generating system from waste heat from metal refining to Erdos for twenty years. The components of the net investment in sales-type leases as of December 31, 2011 and 2010 are as follows:

	2011			2010
Total future minimum lease payments receivable	$	400,972,427		$	379,641,671
Less: executory cost		(106,560,187	)		(99,866,170	)
Less: unearned interest income		(158,110,200	)		(154,564,733	)
Net investment in sales - type leases		136,302,040			125,210,768
Current portion		8,725,345			7,624,637
Noncurrent portion	$	127,576,695		$	117,586,131

As of December 31, 2011, the future minimum rentals to be received on non-cancelable sales-type leases by years are as follows:

2012	$	37,140,831
2013		33,910,375
2014		27,905,951
2015		25,528,105
2016		25,528,105
Thereafter		250,959,059
Total	$	400,972,426