answering to my own question and for those, who wants to use white choco with PAL version of FF7.
1) extract shopmenu.mnu file from CD PAL version of FF7 and open shopmenu.mnu file in hex editor.
2) then delete addresses 4700 - 470B, must to be deleted 12 of "00" (double zeros)
3) after this, file size of shopmenu.mnu must be 61 892 and this will allow to open PAL shopmenu.mnu in white choco
4) open shopmenu.mnu in white choco, edit what you want in game shops and apply changes
5) after this, open again shopmenu.mnu in hex editor and add (insert) addresses 4700 - 470B, must to be added 12 of "00" (double zeros)
6) after this, file size of shopmenu.mnu must be 61 904 and then import shopmenu.mnu file to CD PAL version of FF7.
sorry for my english