is there a way to create .rfw firmware from files dead newsmy a5

[ljwrocker]

i have all the files for my player (system00, resources etc) and i want to knw a way to compress it to .rfw rockchip firmware
format

i have a dead, black screen with damaged user partition, 4gb newsmy manman a5


i have tried emailing newsmy but no reply, useless

and i have tried everything (adfuupdate,rk27 tools etc) no success