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Advanced HSP technology. Higher deposition rate. Smooth arc. Stable performance. Professional results — with maximum efficiency. 💪⚡

Fabrication, repairs, heavy-duty — this machine delivers.

When it comes to welding 5mm stainless steel, not all welders are created equal. The Protig-400CT is built for those who demand power, precision, and professional-grade results.

Why choose it?

Ever wondered what happens when AC and DC join forces in a single cycle? Watch our video to see the TOPWELL Unique MIX TIG 400A as below.

This is more than a welder — it’s a breakthrough in arc concentration. From heavy plate work to flawless finishes, MIX TIG delivers consistent, professional results.

In the new industrial era, HSP (high-speed pulsed) robotic welding delivers premium, high-quality solutions.

●Ultra-high-speed welding: Precise positioning shortens production cycles and boosts efficiency.

●Superior weld quality: Uniform seams minimize defects and improve reliability.

●Material versatility: Easily welds carbon steel, stainless steel, aluminum, and more.

●Intelligent operation: Simple, safe, and reduces labor costs.

Classical vertical-up welding typically relies on the "X-Mas tree" weaving technique. Our HPC(Hybrid Pulse Control) process simplifies this with a straight vertical-up weld, eliminating complex motions while delivering exceptional results.

Original Water Mist Secondary (WMS) Technology, specially designed for cutting stainless steel and aluminum, minimizing heat-affected zone and energy consumption.

✅ Precise AC wave setting

✅Unique MIX TIG technology

✅Soft conventional Sine Wave

How to use the memory function?

Adjust the frequency and the balance, to get more concentrated arc and narrower bead!

HOW TO improve your welding speed by HSP?

Just simple operation on PROWAVE, get more productivity!

MASTERTIG 400CT | Professional TIG welder for your industrial Aluminum welding

PROWAVE 1.0 丨Find more convenient and friendly welding operation with LCD panel in our PROWAVE!

Portable, Synergy, True Pulse MIG

The PROCUT 75 MAX plasma cutter brings power and flexibility to plasmacutting, and gouging applications. Whether in a shop,factory at home or in the field, PROCUT 75 MAX is a good solution which meet most cut requirements.