+44 (0)1388 720222

About Gem City Metal Technologies, LLC

In June 2018 Hydram Engineering Ltd. became part of the Dynamic Aerospace and Defense group.

Dynamic is a privately-owned business with its main headquarters in Michigan, USA. Hydram is Dynamic’s first acquisition outside the US, joining Dynamic’s existing portfolio of companies based in the mid-west and having an established reputation, specialising in supplying precision metal components for the aerospace, defence, automotive and rail sectors.

Gem City Metal Technologies

Multi axis laser

Located in Dayton, Ohio, Gem City Metal Technologies is recognised as a leader in close tolerance hand spinning. As a premier metal forming company, Gem City has expanded its capabilities to also include automatic and CNC metal spinning, laser cutting, high pressure hydroforming, and metal stamping and punching. The company's in-house tool & die design and build capabilities reduce lead times and alter tooling as required for exceptional service and JIT shipments.

Metal Spun Nose Cones


  • Hand and CNC Spinning
  • Laser Cutting
  • Hydroforming 
  • Metal Stamping 
  • Tool Design & Build 
  • Machining 
  • Welding 
  • Aluminum Heat Treating

Metal Spinning

Dynamic Aerospace And Defense - Markets And Products

  • Aero Engine Components
  • Aerospace Structures
  • Defence
  • Automotive
  • Heavy & Light Rail
  • Industrial & Commercial
Apprenticeships - What will I learn? So you're interested in our Apprenticeships?  There are 9 compulsory taught units delivered in our training centre and completion of these units leads to an EAL Diploma in Engineering Technology.  Find out what our apprentices actually learn.  Read More >
Apprentice Case Studies Read all about apprenticeships at Hydram.  These are case studies about, and written by, our apprentices to help you understand what being an apprentice is all about. Read More >