Leading the way in certified textile excellence
At Lonfil, our commitment to sustainable and high-quality textile production is reflected in our robust certification program. Our certifications not only validate our production processes but also guarantee that our eco-friendly yarns meet the highest international standards—providing essential assurance for our B2B clients and technical sectors.

Our key certifications and their value
Global Recycled Standard (GRS)
- What it is: The GRS certification confirms that our recycled fibers, including post-consumer and post-industrial recycled polyester, are sourced and processed according to strict environmental and social criteria.
- The value: This certification ensures traceability, chemical safety, and a reduced environmental impact. For B2B customers, GRS is a mark of reliability that supports a circular economy and responsible textile production.
Quality Management
- What it is: ISO 9001 is an internationally recognized standard that ensures our quality management systems consistently produce products that meet customer and regulatory requirements.
- The value: This certification demonstrates our commitment to excellence in every aspect of production. It assures technical sectors and B2B clients that our yarns and fabrics are manufactured with rigorous quality controls and are fit for the highest performance demands.
Environmental Management
- What it is: ISO 14001 focuses on effective environmental management, emphasizing waste reduction, resource efficiency, and overall minimization of our environmental footprint.
- The value: With ISO 14001, our partners can trust that our operations are aligned with eco-friendly practices. It reinforces our dedication to reducing environmental impact, a critical factor for companies in the technical and industrial sectors.
Oekotex and Ecolabel
- What it is: The GRS certification confirms that our recycled fibers, including post-consumer and post-industrial recycled polyester, are sourced and processed according to strict environmental and social criteria.
- What they represent: Oekotex and Ecolabel are forthcoming certifications that will further validate our commitment to safety and environmental responsibility.


Why certifications matter for B2B and technical sectors
Certifications play a pivotal role in the textile industry by providing transparent, verifiable evidence of our commitment to quality, sustainability, and innovation. For our B2B clients and partners in technical sectors, these certifications offer:
Enhanced Trust: They serve as a guarantee that our practices adhere to internationally recognized standards, fostering confidence and reliability.
Assured Quality: Our certifications ensure that every product meets stringent performance and safety criteria, essential for critical applications.
Support for Innovation: Certification standards drive continuous improvement and encourage innovation across our production processes.
- Commitment to Sustainability: They confirm our dedication to reducing environmental impact and supporting a circular economy, aligning with the eco-conscious values of modern businesses.
By maintaining these industry-leading certifications, Lonfil stands at the forefront of sustainable textile production—ensuring that every yarn we produce is a testament to quality, responsibility, and forward-thinking innovation.
Join us in creating a Greener Future
At Lonfil, we believe in a future where textile production aligns with environmental responsibility. By choosing our certified yarns, you support a commitment to recycling, biodegradability, and reduced resource consumption.