Statement of Operations (USD $)	3 Months Ended		6 Months Ended		103 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013
Net sales	$ 0	$ 0	$ 0	$ 0	$ 93,776
Cost of sales	0	0	0	0	(60,324)
Gross profit	0	0	0	0	33,452
Expenses
Salaries	3,899	3,793	7,754	7,598	178,022
Transportation	0	0	0	0	13,354
Office equipment	0	0	0	0	6,879
Water, electricity and gas	0	0	0	0	173,973
Other expenses	0	0	0	0	36,895
Advertisement	0	0	0	0	556
Rent expense	0	0	0	0	3,811
Depreciation	182	177	361	489	204,202
R & D expense	0	0	0	0	22,578
Repairs and maintenance	0	0	0	0	1,043
Gain on disposal of fixed assets	0	0	0	0	(7,730)
Stock compensation	0	0	0	0	2,400,000
Professional fees	7,125	6,800	14,490	15,044	216,958
Fixed assets impairment	0	0	0	0	669,813
Intangibles writedown	0	0	0	0	241,639
Inventory obsolescence	0	0	0	0	107,484
Total Expenses	11,206	10,770	22,605	23,131	4,269,477
Total expenses and loss from operations	(11,206)	(10,770)	(22,605)	(23,131)	(4,236,025)
Other income	0	0	0	0	7,195
Loss before provision for income tax	(11,206)	(10,770)	(22,605)	(23,131)	(4,228,830)
Income tax provision	0	0	0	0	0
Net loss	(11,206)	(10,770)	(22,605)	(23,131)	(4,228,830)
Less: Net loss attributable to the noncontrolling interest	1,591	1,689	3,165	3,295	520,094
Net loss attributable to Chang-On International, Inc. common stockholders	$ (9,615)	$ (9,081)	$ (19,440)	$ (19,836)	$ (3,708,736)
Net loss per share-basic and diluted	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Weighted average shares outstanding-basic and diluted	97,307,366	67,307,366	97,307,366	67,307,366