Strategic Alliance Agreement with Keihin Hatsujyo Co. (KHJ, Ltd. of Yokosuka, Japan)

Keihin Hatsujyo Co. (KHJ), Ltd. of Yokosuka, Japan

A manufacturer of highly specialized and premium quality wire springs, metal stampings, part assemblies and accessories servicing the Japanese automotive, electronics & medical industries for the past 50 years! (Toyota, Honda, Nissan, Mitsubishi all look to KHJ to satisfy their demanding expectations!

An Industry leader in cutting edge technology, design, development, premium quality materials, state-of-the-art equipment, quality assurance, on-time delivery and pricing to meet today’s economic demands.


• Compression • Extension • Torsion Springs • Spiral Rods • Flat Shape • Memory Alloy Springs



• Compression • Extension • Torsion Springs • Spiral Rods • Flat Shape • Memory Alloy Springs

Acquisition of WireCraft Manufacturing (Sturgeon Bay, WI.)

Manufacturers of Custom Wire, Tube and Fabricated Metal Assemblies, Components.

We also provide Mechanical Engineering Design Services • Prototype Development • Short thru Long Run Production • Turn-Key Assembly • Fulfillment Services and Just-in-Time Delivery per your specifications.
Over the years our manufacturing capabilities have grown to include sheet metal fabrication and tube fabrication and bending services.

Because custom design and manufacturing of wire displays, tubes and fabricated metal products is our specialty, we can provide individualized service that you won’t find anywhere else.

We listen. We offer our knowledge of what works, gained from years of experience. And we don’t require that you choose from standard wire products; instead, we’re flexible enough to rearrange our capabilities to meet your requirements.

Dudek & Bock transitioned WireCraft Manufacturing – Custom Wire, Tube and Fabricated Metal Assemblies and Components operations into the Chicago plant. Part of the unique expertise we gained from this consolidation, was in the area of “Welding and Welded Assemblies”, expanding our already world-class services.


  • Straighten and Cut Wire
    • 14 gage to 1/2″ diameter
  • Wire Bending/Forming up to 3/4″ diameter
  • Tube Fabricating:
    • Bending
    • Notching-Slotting
    • End Forming
    • Swedging
    • Cutting
  • Welding
    • Resistance
    • Mig
    • Tig
  • Plasma Cutting
    • Stamping
  • Sheet Metal Fabrication
  • Drilling, Tapping
  • Threading
  • Cut Threads
  • Roll Form Threads
  • Assembly
  • Mechanical Design Services
  • Prototype Development
  • Tooling
  • Materials: Carbon Steels, Stainless Steel, Galvanized, Aluminum,
  • Copper Alloys
  • Finishes

Custom Products

WireCraft provides individualized service for your custom wire forming, fabricated metal forms and custom wire displays. We’re flexible enough to rearrange our capabilities to meet your requirements. Our custom products include:

  • Stampings
  • Four-slide Forms
  • Wire Forms
  • Stainless Forms
  • Handles
  • Hooks
  • Rods
  • Rings
  • Grills
  • Grids
  • Mesh
  • Fan Guards
  • Baskets
  • Shelving
  • Houseware Items
  • Display Racks


  • Bending
  • Resistance Welding
  • Arc Welding
  • Heli-Arc Welding
  • Drilling
  • Tapping
  • Threading
  • Buffing
  • Riveting
  • Stamping
  • Sheet Metal
  • Fabrication
  • Tube Bending
  • Assembly
  • Straighten and Cut Wire from 14 gauge to
  • 3/8″ dia. Also work with 5/8″ rod.
  • Special Packaging and Drop Shipping


  • Agricultural
  • Consumer Products
  • Crafts
  • Food Equipment
  • Grocery, Food and
  • Beverage Display
  • Hardware
  • Housewares
  • Lawn and Garden
  • OEM, Components for Original Equipment
  • Manufacturers
  • Office Furniture
  • Publishing
  • Retail

Our Gallery features photos of the many custom metal, tube and wire products we have created for our customers.

Fabricated Metal
Components Food
Handling Equipment OEM
Products Wire Forms
Fabricated Tube Products
Lawn & Garden
Point-of-Purchase Displays
Wire Guards
Fan Guards Literature
Wire Baskets
Wire Rack / Hangers

DUDEK & BOCK and China Spring Company – Joint Venture Formation

Establishing Shanghai Dudek & Bock Spring Co., Ltd.

In 2012, Dudek & Bock formed a, Shanghai-based Joint Venture company with China Spring Company – the largest spring company in China.

In merging D & B’s unique engineering and manufacturing capabilities in 4-slide and CNC-produced wire-forms and counter-balance springs with China Springs established infrastructure, market positions and high level technical competencies, we hold a strong belief that this JV is well positioned to establish a market leader position in the supply of these products throughout the Chinese automotive industry – as well as for select other applications and industries – and in doing so will enable our core customers to capitalize on our global footprint in serving their needs throughout the world.

China Spring Company’s other highly specialized product expertise lies in suspension springs, valve springs and stabilizer bars for the automotive industry. They are a subsidiary of Shanghai Automotive Industry Corporation (SAIC), which is one of the leading vehicle, system and component producers in the Chinese automotive industry.


Ford Q1 Certification

q1bFord Motor Company has awarded DUDEK & Bock a leading supplier of Springs, Wireforms, Stampings, Welded Rings and Welded Assemblies for the automotive industry the prestigious Q1 certification.

Ford’s Q1 Certificate is the highest honor bestowed on a supplier by the auto maker. Recognizing their efforts and commitment to fulfilling customers expectations related to component design, functionality, costs, without compromising quality or delivery.

Acquisition of KHC Corporation (Woodstock, IL.)

As a result of in increasingly collaborative relationship started between Dudek & Bock and Keihin Hatsujyo (KHJ) of Japan starting back in 2008, in 2011 D & B acquired the Woodstock operation of KHJ. Foremost among the reasons for this acquisition was the strong belief that KHC’s long-standing U.S. and Mexico-based Japanese customers (most of whom were established to serve Japanese automotive transplant OEM’s and System producers) can be both effectively served by under Dudek & Bock’s umbrella while also benefiting from D & B’s expanded product line including wire-forms, small flat-form stamping, progressive stampings, welded ring and welded assemblies and its TS 16949-certified facility in Saltillo, Mexico.


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