a process-independent provider of machines for plastic welding by hot plate and ultrasonic. Systems Engineering & Process Control. Processing systems of fuel tanks.

PolyMerge GmbH, simply welding., reliable partner, machines for plastic welding, SCR production

Simply Welding.

We, PolyMerge GmbH, are your reliable partner when it comes to machines for plastic welding.

We focus on your requirements and advise you regardless of the welding technique.

We offer all common plastic welding processes and cooperate with you to select the optimal welding operation for your needs. We offer solutions, not “just” machines. You don't need to be an expert in plastic welding to collaborate successfully with us.


We are solution-oriented and focus on YOUR requirements, as well as on the construction of the machine.


Our qualified team has 25 years of experience and can offer a proven solution


Thanks to our high real net output ratio, we are flexible and independent; we focus on fulfilling YOUR wishes

Our Services

PolyMerge GmbH - develop a suitable production concept, plastic welding


We would be happy to assist you with the design of your product in a way that is suitable for welding and to work with you to develop a suitable production concept.

PolyMerge, complex production systems from a single source, machines for plastic welding


We also provide complex production systems from a single source, commissioning is carried out by our trained staff. Thus, the machine you receive is “ready to go”.

PolyMerge - Our service team supports you worldwide via remote diagnosis, as well as personally on-site.


Our service team supports you worldwide via remote diagnosis, as well as personally on-site.


PolyMerge flexible robot tankproduction for plastic welding

Demonstration of a robot-based tank production plant for the flexible machining of fuel tanks. The machine has a camera system for automatically detecting the welding position and a thermal camera for quality control.

the transfer of the BF Maschinen GmbH into the PolyMerge GmbH, Manuel Sieben and Thomas Breuer

Transfer of business & succession plan

We, PolyMerge GmbH, took over the business operations of BF Maschinen GmbH on 01/02/2020 as part of a succession plan.

Who is PolyMerge? Manuel Sieben as managing director intruduce the company...

Brief presentation of PolyMerge GmbH by our managing director Manuel Sieben.