ECO-Twin Extruder

The Conical Co-Rotating Twin Screw 2.0

Tradition meets innovation for maximum efficiency in plastics processing

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For next generation

Our Mission

We develop pioneering technologies for plastics processing – with passion, precision, and responsibility.

Holistic Engineering

Comprehensive solutions through Holistic Engineering

From concept to documentation - Your engineering partner for plastics

About us

For Next Generation - Your engineering partner for the plastics industry

As a specialized engineering firm, we develop customized solutions for the plastics processing industry. Our focus is on innovative process engineering, practical consulting, and the development of future-oriented recycling technologies.

Comprehensive expertise in process engineering, manufacturing, control, and application practice

Many years of industry experience in the design and development of extruders, injection molding machines, and melt filters

Strong Network of Suppliers, Technology Partners, and Customers

Together, We Develop Technologies that Set Standards

Our service

Holistic solutions from a single source

With our "Holistic-Engineering" approach, we offer complete engineering packages from the initial concept sketch to the complete technical documentation.

Consulting & Engineering

Optimization and new development of your production processes in extrusion, recycling, melt filtration, and granulation

Individual Development

We turn your ideas into reality: from TRIZ innovation workshops to finished design data and supplier suggestions.

Quality Services

Customized 4NG products with state-of-the-art tools such as Creo for maximum added value in your company.

Our products

Innovative Produkte - Patented technologies for your future

Innovation is part of our DNA. Discover our in-house developments that set new standards in plastics processing.

ECO-Twin Extruder

The conical co-rotating extruder 2.0 Particularly energy-efficient in the processing of regrind such as PET bottle flakes. Up to 4 t/h throughput with a length of only 7.5 m.

SmartFlex-Adapter

Patented technology
Intelligent connection technology with automatic thermal length compensation and reliable tightness.

DosingMaster

Patented technology
Dosing unit for bulk materials that are difficult to pour. Reliable compression and dosing through rotating friction disks.

SmartMelt - Filtration

Patented process technology
Highly efficient filtration through targeted viscosity change with CO2. Lower energy consumption and longer service life.

4NG News

Current News

Turning Plastic into more – 4ng at K 2025

Turning Plastic into more – 4ng at K 2025

Discover the future of plastic recycling!

Tradition Meets Innovation: the Conical Co-rotating Twin-Screw Extruder 2.0

Tradition Meets Innovation: the Conical Co-rotating Twin-Screw Extruder 2.0

NGR presents new "Eco-Twin" type extruder

Visit us at K 2025!

4NG Plastic Recycling Technologies

presents innovative solutions for sustainable plastic recycling. Experience our latest technologies live and learn how we transform plastic into value.

📍 October 8-15, 2025 | Hall 9, Booth C21