Firmware factory Tablet 7" MID-704 hksunlike

[Capucha]

Hi, unfortunately I lost the factory firmware, and now I get one to work correctly, there are always problems with the touchscreen, and install a lot and always the same, talk on msn with the support and never understood what he wanted ..
Someone has the solution for this problem?
information from the tablet.

http://www.hksunlike.com/ArticleShow.asp?ArticleID=629

Model：MID-704 　 Name：7' MID with touch screen and 800HMZ 　 Price：0

CPU Marvel 166 (800Mhz) O/S Google ANDRIOD 2.2 ) Memory 256MB RAM DDR2 RAM Storage Device 2GB NAND Flash ( or can 2G till 16G) LCDSize 7 inch TFT LCD with resistance touch screen, single point touch (resistive) G-SENSOR MMA7660 Resolution 800*480 Pixels Camera 30w-130w pixels digital camera (option ) Battery type Rechargeable polymer battery USB high speed USB OTG 2.0 AND usb HOST 1.1 full screen handwriting Speaker YES SD card Tranflash 3G moudule Evdo, tdscdma, wcdma( USB Style) WIFI marvel8686 SDIO 802.11b/g I/O ports Mini USB.2.0., T-flash--1G to 32G microSD card, build-in michophone Multimedia video including:MPEG1, MPEG2, WMV9, MPEG4 SP,ASF,DIVX, H.263,H.264,RMVB, MOV,MKV,TS,FLV Music MP3/WMA/APE/FLAC/AAC/AC3/WAV/OOG/AAC/EAAC On line chat MSN/QQ/SKYPE/GTALK/LUMAQQ/ICQ Build-in camera 0.3MP camera (option) E-book PDF/TXT/CHM/DOC/EXCEL PIC JPEG/BMP/GIF/PNG/TIFF Product size 190.5mm × 118.5 mm× 14.7mm Colors: black and white sory for my poor English,