Koike is the industry leader in advanced cutting, welding, and positioning solutions, engineered to enhance your industrial precision and performance.

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The MasterGraph Katana MGK: redefining the proven mechanical integrity of the MasterGraph platform with the innovative Katana HMI controller.

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High-Performance Industrial Gas,
Cutting, and Welding Solutions


Welcome to a world where precision, efficiency, and durability are more than just expectations — they’re built into the very fabric of everything we create at Koike.

Whether you're crafting complex components or fabricating structures that need to stand the test of time, Koike’s cutting-edge CNC gas cutting and welding equipment ensures you achieve perfection every time.

BROWSE BY CATEGORY

When you’re cutting and welding metal, millimeters matter. Koike’s advanced technology and engineering offer unmatched precision, empowering you to create with confidence.

POSITIONERS

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CNC CUTTING

MACHINES

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PORTABLE

AUTOMATION

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TRENDING PRODUCTS

Koike’s CNC solutions are expertly crafted to streamline your workflow, maximize productivity, and minimize downtime.
With our equipment, you’ll see efficiency redefined, helping you meet tight deadlines without compromising on quality.

NEED HELP FINDING THE RIGHT PRODUCT?

Discover how Koike’s innovative solutions can transform your projects. Work smarter, weld better, and cut cleaner with gas cutting and welding
equipment built for excellence. Contact us today to discuss your needs, and together, we’ll find the perfect solution to help you achieve your goals.

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ABOUT US

THE INDUSTRY LEADER IN CUTTING, WELDING, POSITIONING , PORTABLE AND GAS EQUIPMENT

Koike Aronson/Ransome is the industry leader in the cutting machine, welding & positioning equipment and portable & gas equipment markets: our machines are built with the highest quality parts, for the longest-lasting performance in the industry. We offer a variety of machines across multiple price ranges, designed to provide a solution to fit your budget while maximizing safety and performance.

We work with you to find the right solution, tailored to your requirements and built with enhanced operator tools, education and safety controls in mind for superior usability and protection.

Easy to Use

Increased Productivity

Long-lasting Performance

Repeatable Results

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Gas Cutting and Welding Equipment


Koike Aronson/Ransome has over 100 years of experience selling the best gas cutting and Koike Aronson/Ransome brings over a century of expertise in gas cutting and welding equipment. Our product range includes high-quality plasma cutting tools built for durability and designed for professionals across various industries. With advanced machinery — whether it’s a cutting and welding machine, CNC cutting machine, or plasma cutting machine — you’ll enhance both precision and productivity for your team. Our solutions cater to a wide range of budgets, ensuring accessibility for industry professionals at every level. Explore our collection of plasma cutting equipment, gas gear, portable automation tools, and welding supplies.

But at Koike Aronson/Ransome, we look beyond the products themselves. We prioritize longevity and performance. That’s why we offer expert maintenance services and educational support to ensure your equipment operates seamlessly for years to come.

Have questions or need guidance? Koike Aronson’s team of specialists is always here to assist with technical support. Reach out to us today to learn more about how we can help elevate your gas cutting and welding equipment.

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