+35 years of plastics expertise.Solutions for windows and doors.

Sophisticated plastic technology for windows and doors From tradespeople for tradespeople.


We have been established in the market for over 30 years and bring more than 50 years of industry experience to every project. Our aim is to create solutions that prove their worth in everyday use: functional, durable, and economical.



As a family-run company based in Markt Erlbach We develop and produce with around 70 employees Innovative components for window and door systems. Our strength lies in the combination of in-house development, consulting and modern manufacturing – from injection molding and plastics processing to laser cutting. This is how we create tailor-made solutions that are precisely aligned with the requirements of our partners.

Innovation is not just a buzzword, but part of our DNA. 66 patents, above 5000 product variants and an annual production of more than 1.5 million shares This speaks to our commitment to continuously developing technology. 13,000 m² production area We create the basis for quality, flexibility and reliability.


What makes PHI Technik special is the way we collaborate. We see ourselves as PHI family and as a long-term partner to our customers. Over [number] people worldwide trust us. 1,000 partners and customers, because we listen, think along with you and develop solutions that work – today and tomorrow.

From basement to hidden champion.
Our journey since 1990.

Founded as an accessories supplier for the window and door industry, grown with inventiveness: Who we are, where we come from – and why today the next generation is leading into the future with vision and responsibility.

Our milestones

What makes us special.
and why that matters.

Reliability, technical depth, individual consultation in plastics construction – for us, quality is not a requirement, but a standard.

That's why PHI

Careers at PHI – Technology with heart and team spirit

Do you want to do more than just work, do you want to make a difference? At PHI, you'll find true team players, flat hierarchies, and an environment where your contribution matters. Start your future in the window and door manufacturing industry now – together we create more than just products.

Become part of the #PHIfamily

Product portfolio

Reliable. Perfectly fitting. Optimized for easy assembly.

About our products

Development & Consulting

More than a supplier. We are a development partner.

Our solutions

Laser precision

for industry and trade.
Precise. Burr-free. Digital.

Our services