Mainly welded diaphragm metal bellows technology. Applications range from medical devices to Joint strike fighter components, compressors, reservoirs, drains, hydraulic compensators, etc. It is a very diverse company. We build for oil and gas sub-sea as we'll as space exploration as well.
Posting some pictures in the gas Forge forum. Pics more appropriately there I guess for others viewing in an active thread of mine. http://www.iforgeiron.com/topic/44773-burner-to-cubic-inch-relationship/