Soft X-ray spectra of laser-produced plasmas of highly ionied Hf,Ta,W and Re were obtained. by using a PET crystal spectrometer in the wavelength region of 5-8?，Some of resonance and inner-shell transitions of the type n=3-4 in the Ni-like isoelectronic sequence were identified. Wavelengths were measured with an uncertainty of ±0.005?. Agreement with computational results of MCDF and HFR method is excellent.