Android a7 rom wanted

[antmex]

Hello all,
I search rom file for A7 Android (China phone).
The data of my destroyed rom there are below:

BuildInfos
Android version : 2.3.4
Release Codename : REL
API LEVEL : 10
CPU ABI : armeabi
Manufacturer : unknown
Bootloader : unknown
CPU ABI2 : unknown
Hardware : mt6573
Radio : unknown
Board : unknown
Brand : yusu
Device : mt73_w690_a7_ozph_original_v7
Display : A7 20110929-181744
Fingerprint : yusu/MTx3_GB-/vanzo73_gb:2.3.4/GRJ22/eng.scm.1317291334:user/test-keys
Host : buildserver
ID : GRJ22
Model : A7
Product : mt73_w690_a7_ozph
Tags : test-keys
Type : user
User : scm

I appreciate for any help.