|
Document and Entity Information
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Jul. 01, 2014
|
|
| Document and Entity Information [Abstract] | ||
| Entity Registrant Name | Keyuan Petrochemicals, Inc. | |
| Entity Central Index Key | 0001326396 | |
| Amendment Flag | false | |
| Current Fiscal Year End Date | --12-31 | |
| Document Type | 10-Q | |
| Document Period End Date | Mar. 31, 2014 | |
| Document Fiscal Period Focus | Q1 | |
| Document Fiscal Year Focus | 2014 | |
| Entity Filer Category | Smaller Reporting Company | |
| Entity Common Stock, Shares Outstanding | 57,025,312 |