I Saw It in Their Factory, Now It's Live at K 2025: Why the Kung Hsing KS-ML7-55 is My 'Machine of the Show'

You can read about sub-3% tolerance in a brochure, or you can see the proof running live at the Kung Hsing booth in Hall 16. Here’s why you need to see it for yourself before the show ends.
Düsseldorf, Germany – Amidst the noise and spectacle of K 2025, it’s easy to get lost in a sea of impressive machinery and bold claims. But every now and then, you find a demonstration that cuts through the noise. I’ve found one of those in Hall 16, at the Kung Hsing booth (C18).
A few weeks ago, I had a preview of their new KS-ML7-55 7-Layer Blown Film Line at their factory in Taiwan. I was impressed then, but seeing it here, running live on the show floor, is a whole different level.
The Ultimate Test: A View From the Top
I remember the team telling me about their average film thickness tolerance—under 3%. At their factory, they had me climb to the top of the machine while it was running to prove its stability. What I saw then was a flawless, glass-like film bubble being born. What's truly remarkable is that they are replicating that exact same operational perfection right here, in the middle of a bustling exhibition hall. That’s not just a demo; that’s confidence.
The Symphony of Seven Extruders
The foundation for this performance starts with the seven newest-generation extruders that form the heart of the system. Here at the booth, you can see the setup and understand how each precision instrument contributes to the final, complex 7-layer structure. It’s a masterclass in co-extrusion engineering.
Maximum Flexibility: From Standard to Specialty Materials
And the team here is eager to explain how this stability applies across a massive range of materials. This machine is a true workhorse, built to reliably process everything from your standard LDPE, HDPE, and PP for industrial films, to the sensitive, high-value barrier resins like PA and EVOH needed for advanced food and medical packaging. It’s the kind of versatile, all-in-one solution that modern production lines demand.
A Partnership Beyond the Machine

Kung Hsing's Multilayer Coextrusion Blown Film Line
Another key conversation happening at the booth is about their "digital lifeline." They’re demonstrating how their engineers back in Taiwan can remotely access machine data to help customers troubleshoot and maximize uptime. It’s a powerful testament to their commitment to long-term partnership.
My verdict from that factory visit is being confirmed live, every single day here in Düsseldorf. The sub-3% tolerance isn't just a number on a wall; it's the consistent, high-quality film you can see being produced right now.
Don't just wander the halls. Take a purposeful walk over to Hall 16, Booth C18. The KS-ML7-55 is running, and it’s one of the most impressive displays of engineering at the show. Go see the stability for yourself. Don't miss it.
Extruders and Extrusion Lines
- Agricultural Membrane Making Machine
- Air Bubble Film Extrusion Line
- Air Bubble Film Extrusion Line
- Air Bubble Sheet Co-extrusion Line
- Bag Making Machines
- Blow Film Making Machine
- Blown Film Extruders
- Blown Film Making Machine
- Cast Film Machine
- Coating Machine
- EPS/EPE Foam Sheet Extrusion Lines
- Extruder
- Extrusion Laminating Machines
- Extrusion Lines For Filaments and Yarn
- Extrusion Lines For Pipes and Profiles
- Monofilament Extruding Machinery
- Monofilament Extrusion Line
- PET Strapping Band Extrusion Lines
- Plastic Bag Making Machines
- Plastic Film Co-Extrusion
- Plastic Pipe Making Machines
- Plastic Tube Making Machine
- PVC Hose Making Machine
- PVC Pipe Making Machines
- PVC Profile Extrusion Machine
- Sheet Extrusion Line
- Straw Making Machines
- Twin Screw Extruder
- Twin Screw Extruders
- Woven Bag Making Machine
Injection Molding Machines
- Electrical Injection Molding Machines
- Fast Energy Saving Injection Molding Machine
- Horizontal Injection Machine
- Horizontal Injection Molding Machines
- Injection Molding Machines
- Micro Injection Molding Machines
- Two Platen Injection Molding Machines
- Vertical Injection Machine
- Vertical Injection Molding Machines
Plastic Recycling Machinery
- Bale Breaker
- Bottle To Fibre Recycling Machine
- Bottle Washing Line
- Crusher
- Granulators
- Pelletizer
- Pelletizers
- Pelletizing Machines
- PET Bottle Recycling Line
- PET Hot Washing Line
- Plastic Pelletizing Machines
- Plastic Recycling Equipment for Preprocessing
- Plastic Recycling Machines
- Plastic Waste Recycling Machine
- Recycling Lines
- Recycling Machine
- Shredders
- Squeezers
- Washing Lines
- Waste Recycling Equipment