Statement of Operations (USD $)	12 Months Ended		97 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
Net sales	$ 0	$ 0	$ 93,776
Cost of sales	0	0	(60,324)
Gross profit	0	0	33,452
Expenses
Salaries	18,888	14,857	170,268
Transportation	0	0	13,354
Office equipment	0	0	6,879
Water, electricity and gas	19,017	18,571	173,973
Other expenses	0	1,246	36,895
Advertisement	0	0	556
Rent expense	0	0	3,811
Depreciation	843	2,221	203,841
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	71,832	54,258	202,468
Fixed assets impairment	0	0	669,813
Intangibles writedown	0	0	241,639
Inventory obsolescence	0	0	107,484
Total Expenses	110,580	91,153	4,246,872
Total expenses and loss from operations	(110,580)	(91,153)	(4,213,420)
Other income	0	0	7,195
Loss before provision for income tax	(110,580)	(91,153)	(4,206,225)
Income tax provision	0	0	0
Net loss	(110,580)	(91,153)	(4,206,225)
Less: Net loss attributable to the noncontrolling interest	13,679	13,903	516,929
Net loss attributable to Chang-On International, Inc common stockholders	$ (96,901)	$ (77,250)	$ (3,689,296)
Net loss per share-basic and diluted	$ 0.00	$ 0.00
Weighted average shares outstanding-basic and diluted	79,356,546	67,307,366