I need Lockmisth Backlinks

I've 50 Locksmith websites of my companies and I'm looking for someone to get me backlinks that will stay forever. Backlinks should be from existing high-quality Locksmith blogs. To be considered, you have to provide me the list of blogs where you will get our backlinks from. then we will see if the blog is good, we will go for it. Please DON"t do blind bidding, bid after reading the details only