Statement of Operations (USD $)	3 Months Ended		100 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Net sales	$ 0	$ 0	$ 93,776
Cost of sales	0	0	(60,324)
Gross profit	0	0	33,452
Expenses
Salaries	3,855	3,805	174,123
Transportation	0	0	13,354
Office equipment	0	0	6,879
Water, electricity and gas	0	0	173,973
Other expenses	0	0	36,895
Advertisement	0	0	556
Rent expense	0	0	3,811
Depreciation	179	312	204,020
R & D expense	0	0	22,578
Repairs and maintenance	0	0	1,043
Gain on disposal of fixed assets	0	0	(7,730)
Stock compensation	0	0	2,400,000
Professional fees	7,365	8,244	209,833
Fixed assets impairment	0	0	669,813
Intangibles writedown	0	0	241,639
Inventory obsolescence	0	0	107,484
Total Expenses	11,399	12,361	4,258,271
Other income	0	0	7,195
Loss before provision for income tax	(11,399)	(12,361)	(4,217,624)
Income tax provision	0	0	0
Net loss	(11,399)	(12,361)	(4,217,624)
Less: Net loss attributable to the noncontrolling interest	1,574	1,606	518,503
Net loss attributable to Chang-On International, Inc. common Stockholders	$ (9,825)	$ (10,755)	$ (3,699,121)
Net loss per share-basic and diluted	$ 0.00	$ 0.00
Weighted average shares outstanding-basic and diluted	97,307,366	67,307,366