Trading – Engineering – Management

About us

We are engaging of the production of injection tools, technical proposals and construction solutions since 2006. We providing the project leading and the production for prestigious plastic parts producers. We participate on the development and design changes of the plastic parts mainly for automotive and consumer industry. Our long time experiences helping to set up efficienct production processes of injection moulding and assembly.

From the project to the tool

We making proposal of appropriate technical solution of the tool based on the design and requirements for the final plastic part.

Service solutions

Providing of the maintenance, service and modifications of the injection tools.

15 years of experiences  

Fifteen years in the field – these are lot of experiences, knowledge and firmly cooperations, which we can offer.


  • Long time experiences in the production of injection tools for thermoplastics and elastomers
  • Participation on the development of the plastic parts in terms of production of injection tools and injection process
  • Providing of the simulation of the plastic parts
  • We providing the production of the prototype parts, but also serial production and assembly (Europe, Asia)


  • Long term cooperation with partner toolmaker in China (Dongguan)
  • Modifications and maintenance of the tools are providing by our partners in Czech Republic and Slovakia
  • Production of injection tools in Czech Republic, Slovakia and Portugal


Thanks to our experiences, contacts and possibilities, we providing big range of the services in project and production of the injection tools.

Project and business activities

  • Complete project leading in production of the injection tools and equipments
  • Technical support and efficient set up of the production process (injection, assembly)
  • Project documentation (PFMEA, control plans, assembly manuals, etc.)
  • Mediation of production injection tools in China (partner toolmaker)
  • Cooperation on the development of the plastic parts

Production of injection tools

  • Assigment evaluation, DFM analysis
  • Simulations (Moldflow analysis)
  • Tool design
  • Tool production
  • Checking and testing of the tools
  • Measurement of the tools and parts
  • Reporting
  • Turnkey delivery of the injection tools to the customers, including logistic and preparation for serial production

Portfolio of the injection tools

  • Prototype tools
  • 1K tools (cold/hot runner, sequential injection)
  • 2K tools (rotary, transfer)
  • Overmolding/Inserting tools (overmold or inserting of the components)
  • Reverse and 3-plate tools
  • Tools from the prehardening, hardening steel, with nitridation, or special coating
  • Tools for visible and painted parts

Another services

  • Providing transportation of the tools from China including custom clearance to EU countries (sea, train or air shipment)
  • Texture – grain for the tools
  • Spare parts of the tools, cavities, inserts, etc.
  • Checking and measuring fixtures/gauges
  • Grippers/robots for part handling

years of experience

implemented projects

regular customers

Cooperation with us

First contact

Contact us by phone, or by e-mail. Next step is ipersonal visitation, or call/video konference. We are ready to visit you in Czech and EU countries.

RFQ – Calculation

Preparation of the price offer based on your assignment.


Gladly provide you not only professional project leading, but also production of the tools including delivery of the parts.


Providing service and maintenance of the injection tools and equipment.

Trading – Engineering – Management

TRENMA s.r.o.

Krapkova 1159/3
779 00 Olomouc
Czech Republic
IČ: 05194121
EU VAT: CZ05194121

Jiří Benčík

sales & production

M: +420 777 585 303

Ing. Martina Benčíková

orders & invoices

M: +420 773 585 023