Statement of Operations (USD $)	12 Months Ended		85 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011
Net sales	$ 0	$ 0	$ 93,776
Cost of sales	0	0	(60,324)
Gross profit	0	0	33,452
Expenses
Salaries	14,857	14,184	151,380
Transportation	0	0	13,354
Office equipment	0	0	6,879
Water, electricity and gas	18,571	18,264	154,956
Other expenses	1,246	401	36,895
Advertisement	0	0	556
Rent expense	0	0	3,811
Depreciation	2,221	34,883	202,998
Research and development expenses	0	0	22,578
Repairs and maintenance	0	0	1,043
Gain on disposal of fixed assets	0	0	(7,730)
Stock compensation	0	50,000	2,400,000
Professional fees	54,258	29,000	130,636
Fixed assets impairment	0	323,851	669,813
Intangibles writedown	0	0	241,639
Inventory obsolencence	0	38,638	107,484
Total Expenses	91,153	509,221	4,136,292
Other income	0	0	7,195
Loss before provision for income tax	(91,153)	(509,221)	(4,095,645)
Income tax provision	0	0	0
Net loss	(91,153)	(509,221)	(4,095,645)
Less: Net loss attributable to the noncontrolling interest	13,903	167,631	503,250
Net loss attributable to Chang-On International, Inc common stockholders	$ (77,250)	$ (341,590)	$ (3,592,395)
Net loss per share-basic and diluted	$ 0.00	$ (0.01)
Weighted average shares outstanding-basic and diluted	67,307,366	67,307,366