Document and Entity Information	6 Months Ended
	Dec. 31, 2014	Feb. 13, 2015
Document And Entity Information
Entity Registrant Name	China Precision Steel, Inc.
Entity Central Index Key	0001044577
Document Type	10-Q
Document Period End Date	Dec. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		3,930,866
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2015