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320 Marwood Dr, Oshawa, ON L1H 8B4
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Methods of Payment:

  • Visa
  • Mastercard
  • Cash
  • Cheque
Based in Oshawa, A J Manufacturing specializes in welding. We are CWB- and TSSA-certified! Our welders work with aluminum and all types of steel, even stainless. We custom-fabricate gas tanks, clamps, radiators and more. If you need a trailer hitch reattached, we have the welding skills you need, and we can also spot-weld radiators, mufflers and exhausts. Plus, with our mobile workshop, our welders can come to you to provide mobile service. If you need a rare or unique part that's hard to replace, A J Manufacturing offers custom fabrication and machining. For all your welding and machining needs, call A J Manufacturing today! more... See more text

Opening Hours

Emergency Appointments Available

Member / Certification

  • TSSA,
  • CWB,
  • American Welding Society,

Products and Services

  • Custom Fabricating,
  • Aluminum Welding,
  • Custom Machining,
  • Gas Tanks,
  • Hardfacing,
  • Abrasive Coating,
    • Heavy Equipment,
    • Radiators,
    • Mufflers,
    • Exhausts,
    • Trailer Hitches,
    • Aluminum Repairs,
    • Steel Repairs,
    • Stainless Steel Repairs,
    • Steel Distributors,
    • Trailer Hitch Repairs,
    • Clamps,
    • Pipes,
    • Mobile Welding Service,
  • more...
  • less...


  • Mobile Welding Services,
  • Marine Services,
  • Residential Service,
  • Commercial Service,
  • Industrial Service,
  • TSSA Certified,
    • CWB Certified,
    • CWA ACS,
    • Custom Fabricating & Machining,
    • Welding Engineering Technologists,
  • more...
  • less...

Languages Spoken

  • English,


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