Get the High PR Press Release site list collection and Submit original PR News Content. These websites are free and instant Approval (Some sites take 1 or days review). These PR website lists provide good backlinks and improve website keyword ranking in Google, Yahoo and Bind. I hope you like to submit PR on these sites.
https://www.webwire.com/
https://www.businesswire.com/portal/site/home/
https://www.prnewswire.com/
https://evernote.com/
https://en.calameo.com/
https://www.mediapost.com/
https://www.prlog.org/
https://www.pr.com/
https://www.directionsmag.com/
http://www.newslink.org/
http://www.sbwire.com/
https://www.pr-inside.com/
https://www.tptptp.com/
http://www.nanotech-now.com/
https://www.newswire.com/
https://www.24-7pressrelease.com/
https://www.medindia.net/
https://www.prleap.com/
https://www.ereleases.com/
https://keysnews.com/
https://www.aspendailynews.com/
https://onlineprnews.com/
https://www.newswiretoday.com/
https://www.1888pressrelease.com/
https://www.briefingwire.com/