Daheng Science&Technology_Gross margin_By product_Optic-mechano-electronic integration product
Date:2012-05-02 Source:公司年报
wangxin
Time frame: 2007 - 2011
Unit: %
Frequency: yearly
Source: Company annual report
| Period | Amount |
| 2007 | ** |
| 2008 | ** |
| 2009 | ** |
| 2010 | ** |
| 2011 | ** |