Core process
Torch brazing
Silver brazing on a multi-torch station, with a fixture built for every part. Every joint filled all the way around.
Contract torch brazing
Contract torch brazing for tube assemblies. Every joint filled, every part inspected, every order shipped on schedule.
Who we are
Bear Technology is a contract brazing shop for manufacturers. Send us a print, and we braze, clean, inspect and ship your tube assemblies from one shop in Wood Dale, Illinois.
25+ yrs
Production brazing
5,000+
Assemblies shipped in 2026
FAI
First-article approval on every new part
Capabilities
Brazing is the core. Cleaning, inspection and shipping happen in the same shop, so you manage one supplier and one schedule.
Core process
Silver brazing on a multi-torch station, with a fixture built for every part. Every joint filled all the way around.
Tube-to-fitting, tube-to-block and multi-joint parts, brazed in a single heat.
Acid cleaning and a rust-preventive finish in-house. Parts ship clean inside and out.
Every assembly is gauged before it ships, and every lot traces back to your PO.
Send a drawing. We source the components through qualified partners we manage, kit them and build to your print.
Packed and labeled to your PO line, shipped LTL or parcel from our dock near O'Hare.
How we work
A short path from the first drawing to scheduled releases.
Drawing, materials and annual volume. A sample part helps.
Piece price, fixture cost and lead time.
We build first parts for your sign-off before production starts.
Releases against blanket or discrete POs, shipped to your schedule.
Industries
Brazed tube assemblies for the machines that move oil, coolant, fuel and refrigerant.
01
Cooling and lube tubes for locomotive engines.
02
Pressure lines between pumps, valves and cylinders.
03
Hydraulic and fuel lines for loaders, dozers and excavators.
04
Refrigerant lines and coil connections.
05
Discharge, suction and lube tubes.
06
Oil and coolant lines for generator sets.
07
Hydraulic lines for tractors and implements.
08
Engine cooling and fuel lines for workboats.
Not on the list?
If it moves fluid through a brazed tube, send us the print and we'll take a look.
About
Bear Technology was founded on Murray Associates, a brazing shop with more than 25 years in production. The experienced team stayed. New ownership is adding capacity, systems and people.
Some customers know us as
Murray Associates, a Division of Bear Technology LLC.
FAQ
Something else? Call 630-520-3830 or send a print.
A drawing (PDF or STEP), materials, annual volume and release size. A sample part helps.
Yes. We can build from components you supply, or source and kit them to your print.
Carbon steel tube assemblies with silver braze alloys are our core work. If your part uses other base metals, send the print and we'll tell you if it's a fit.
Repeat production, from a few hundred to tens of thousands of parts a year.
Yes. Cleaning and rust-preventive finishing are available as a standalone service.
Request a quote
Tell us about the part and the volume. We'll come back with questions or a quote.