Hi everybody:
where i can buy dongle(PCA10000) and j-link(nordic provide)
That's a rather old product - doesn't run the latest SDK - was superseded by the PCA10031 (nRF dongle) at least 2 years ago. That you can get from any of the usual suppliers.
Did you particularly want a PCA10000 for some purpose, because the PCA10031 runs everything the PCA10000 did plus all the latest code.