identify mainboard by BEK-Tronic Technology

BEK-Tronic Technology [B1 / 1759]
Bestkey

BEK-5725 2A59CB1CC-00    
?? 2A59CB1BC-00    
BEK-5731 2A59GB1AC-00    
       
BEK-V429S 2C4UKB11-00 OPTi 82C895  
BEK-V419 2C4X2000-1B UM82C49x  
BEK-P407 rev. 2.0 2A4IBB12C-00   sold as LuckyStar ?
BEK-P405 2A4KDB1AC-00