Hello to all plastic welding professionals! Anyone in this line of work knows that machinery is your livelihood. When your Leister plastic welder or Weldy machine malfunctions—losing heat, getting jammed, or breaking down—you are losing money.

DON'T WORRY! DONG LOI – THE PLASTIC WELDER REPAIR SPECIALISTS IN VIETNAM ARE HERE!

We are not just the Official Distributor of Leister (Switzerland), but also professional repair technicians with over 15 years of experience working with thousands of machines, from handheld tools to automatic welders.

We handle "treatment" for all machine types:

1. Handheld Welding Guns: Triac ST/AT losing temperature, circuit board failures, or broken handles? We replace genuine handheld welder heating elements and restore optimal heat performance.

2. Automatic Welders: Twinny T, Comet, Weldy GEO2... used for welding HDPE geomembranes, PVC sheets getting wrinkled, speed errors, or faulty pressure rollers? We recalibrate precision down to the millimeter.

3. Extrusion Welders: Fusion, Booster Ex... experiencing plastic jamming, weak motor, or insufficient extrusion force for PP, HDPE plastics? We fully overhaul the extrusion mechanism and electronics.

4. Industrial Hot Air Blowers: LHS, HOTWIND...

WHY CHOOSE DONG LOI TECHNICIANS?

• Genuine Components: We exclusively use genuine plastic welding machine spare parts (Leister/Weldy). We guarantee durability after repair.

• Fast, Quick Turnaround: We understand project deadlines. We commit to fast, reputable repairs, helping you get back to work quickly.

• Repair All Makes: We have experience repairing welding machines from various brands, including Chinese models (JIT800, LST800) and US models (Demtech).Dong Loi – "Guaranteeing" The Lifeline of Your Plastic Projects