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metal parts provider

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Who We Are

AJL Machining is a professional and industry-leading one-stop shop for custom metal parts services. We have our own factory and a reliable network of partners that enable us to cater to your requirements ranging from prototypes to large-scale production. 


Our competitive edge is our ability to ensure that all of your parts are produced according to specifications, within budget, and delivered on time to meet your evolving demands. Presently, we serve over 80% of our business to multinational corporations in China, as well as overseas customers.

Company Profile

We specialize in providing complete metal parts solutions, including sophisticated CNC machining parts, die castings, forgings, and fabrications, as well as surface treatment and assemblies. With over 15 years of experience, our team has successfully served industries such as engineering machinery, oil and energy, automotive, and general equipment since 2008.


At AJL Machining, we are proud to be certified with ISO 9001:2015 and our products comply with the Production Part Approval Process (PPAP) with First Article Inspection Reports (FAIR). Our state-of-the-art equipment, professional testing, quality assurance, and digital management processes ensure that we produce world-class metal parts with competitive prices.


We accept a variety of raw materials, including sheets, plates, bars, tubes, and raw castings and forgings. Our team is experienced in working with a range of materials, including carbon steels, stainless steel, aluminum, copper, and more. Trust us to provide high-quality metal parts that meet your specific needs and exceed your expectations.


  • 2008

    Set up a joint venture for a casting shop in Ningbo

  • 2009

    Set up machining shop

  • 2011

    Set up forging shop in Changzhou

  • 2013

    Set up welding and sheet metal shop

  • 2015

    Reform machining shop

  • 2021

    Set up new machining shop in Suzhou

What We Do

  • Coating We Supply

    >> Chrome Plating>> Zinc Plating/HDG>> Nickel Plating/ENP>> Polishing/Oxidization>> Paint/Powder Coat/Ecoat
  • Materials We Supply

    >> Steel/Stainless steel>> Brass/Bronze>> Grey Iron & Ductile Iron>> Aluminum>> Other materials
  • Processes We Use

    >> Machining>> Die Casting>> Sand Casting>> Investment Casting>> Forging & Fabrication
  • Projects We Do

    >> Valve/Pump Parts>> Compressor Parts>> Pipe Fittings>> Motor Housing>> Vehicle/Machinery Parts
  • Industries We Serve

    >> Oil & Gas>> Waterworks>> Piping System>> Automobile>> Transportation

Main Customers

Our competitive edgeis to ensure your parts are created on spec, on budget and on time every time to meet your changing needs. Currently over 80% of our business is for MNCs in China or export to overseas customers.

Why Choose Us

Quality & Certificate

We are proud to be fully certified and compliant with IATF 16949:2016 & ISO 13485:2016 & ISO 9001:2015. This demonstrates our commitment to continuous improvement of the product quality and service level.
  • Certificate CE-1

    Certificate CE-1

  • Certificate CE-2

    Certificate CE-2

  • Certificate ISO-1

    Certificate ISO-1

  • Certificate ISO-2

    Certificate ISO-2

  • Certificate Welding-2

    Certificate Welding-2

  • Certificate Welding-1

    Certificate Welding-1

Inspection Equipment

Equipping with the latest in inspection technology and precision metrology, our QC team of Qualified Technicians is able to obtain accurate data and pass that information on to our customers whenever required.
  • WEW-300D Universal Testing Machine

    WEW-300D Universal Testing Machine

  • JB-300B  Semi-automatic Impact Tester

    JB-300B Semi-automatic Impact Tester

  • DWC-60 Impact Test Low Temperature Slots

    DWC-60 Impact Test Low Temperature Slots

  • Three Coorinate Meausurment Instrument

    Three Coorinate Meausurment Instrument

  • Two Dimentional Measuring Instrument

    Two Dimentional Measuring Instrument

  • MT Tester

    MT Tester

  • Metallographic analysis

    Metallographic analysis

  • CJW-6000 Magnetic Particle Flaw Detector

    CJW-6000 Magnetic Particle Flaw Detector

  • Roughness Gauge

    Roughness Gauge

  • Thickness Gauge

    Thickness Gauge

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