Write Blogs About CNC Machining Services or Sheet Metal Fabrications

We need someone who has knowledge and good writing skills about the CNC machining services or sheet metal fabrications, we are a medium-sized CNC machining manufacturer who does the sheet metal fabrication as well, our audiences are the engineers who hope to get their parts done fast and in low volume.
We are looking for long term partners here, please quote how much you charge for every 1000 words or 500 words