Two disks, and the second one is the R2 installation disk.
windows.server.2003.r2.with.sp2 Chinese Enterprise Edition [MSDN Official Version] [32bit]
Windows 2003.R2. WITH.SP2 Simplified Chinese Enterprise Edition CD1
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0leptiynizzsuq9mfpa
Windows 2003.R2. WITH.SP2 Simplified Chinese Enterprise Edition CD2
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0leptiynyzzsuq9mfpa
If the link fails, you can download it here: Http://pan.baidu.com/s/1gd5mtxx
32-bit installation serial number: MDGJK-PF6YQ-PD8DJ-RFQVM-7WKWG
windows.server.2003.r2.with.sp2 English Enterprise Edition [MSDN Official Version] [32bit]
Windows 2003.R2. WITH.SP2 English Enterprise Edition CD1
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0leptizmizzsuq9mfpa
Windows 2003.R2. WITH.SP2 English Enterprise Edition CD2
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0leptizmyzzsuq9mfpa
windows.server.2003.r2.with.sp2 Chinese Enterprise Edition [MSDN Official Version] [64bit]
Windows 2003.R2. WITH.SP2 X64 Chinese Enterprise Edition CD1
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0lepti1nczzsuq9mfpa
Windows 2003.R2. WITH.SP2 X64 Chinese Enterprise Edition CD2
Thunder://qufodhrwoi8vzg93bi54bhlsdy5jb20vrg93bmxvywquyxnwp0lepti1nszzsuq9mfpa
If the link fails, you can download it here: Http://pan.baidu.com/s/1gd5mtxx
64-bit serial number: Rycr6-t7y6m-2tvhk-c2yw3-7tyq8