Useful industrial topics are rarely clever. They are the questions your estimators hear on every call: what file format to send, what the minimum run is for a given process, how finishing affects dimensions, what certifications cover which industries. Each one can become a page that saves a phone call and qualifies the person asking.
Formats that fit an industrial audience
Capability pages organized by process and material, design for manufacturability guides, material comparison tables, glossary entries for niche terms, and downloadable checklists that engineers keep beside their CAD station. Short videos from the floor and annotated photos of real parts help too, as long as nothing reveals a customer drawing or proprietary detail.
Every piece needs a clear next action suited to where the reader is: upload a drawing, request a sample, ask about a prototype run, or download a spec sheet. Gating is used sparingly, because many engineers will simply leave rather than trade an email for a basic guide.