| Relationships | Role | Relationship Start | Relationship End |
| Boc International Holdings Limited | Parent | 6/30/2007 | |
| Boc International Holdings Limited | Parent | 9/15/2006 | 6/29/2007 |
| Boc International (Usa) Holdings Inc. | Subsidary | 6/30/2007 | |
| Boc International (Usa) Holdings Inc. | Subsidary | 9/15/2006 | 6/29/2007 |