Power is in the detail

Continuous improvement is natural for us. Development is not only inscribed in our daily tasks, but also most of all it is our passion.

Quality assurance for both our processes and our products is our most fundamental goal.

Delivery on time

Timely and accurate execution of orders

Prices under control

Improvement of economic efficiency

Professional quality

Realization of orders meeting the requirements and expectations of customers, in accordance with the applicable standards.

Satisfied and competent team of employees

Continuous improvement of competences, care for employee satisfaction

View PCB layers on PC

Quality policy

We guarantee the highest quality of our services and products through:

constant monitoring of customer requirements,

realization of high-quality services and products using materials with a quality certificate, in planned and supervised conditions,

application of rational working methods and implementation of technical progress.

Płytka PCB sprawdzana pod mikroskopem

We realize our Quality Policy through:

  • maintaining the existing, very high, competitive position on the market that offers products and provides services
  • identifying the company with the highest quality in the general meaning
  • assuring the customer that our Quality Policy, in other way - constant improvement of offered products and services guarantees great satisfaction
  • continuous improvement of the company team qualifications
  • continuous improvement of the effectiveness of the Quality Management System
  • making our team believe that they actively participate in the creation of Quality Policy, reliability and responsibility during its realization benefits in the form of customer satisfaction, supervisors' acknowledgement and also employee inner satisfaction


The main goal of Environmental Policy of TSTRONIC and SILED is the least impact on the environment in the process of product realization (service and product) and it is realized partially:

  • developing by conducting trainings for the management staff and employees that concern the level of ecological awareness, a także promoting environmentally friendly practices and behaviors and encouraging employees to support the Environmental Policy and a sense of responsibility for its realization,
  • continuous improvement of the effectiveness of control activities and preventing the negative impact on the environment through the efficient identification of significant environmental aspects, their elimination or reducing the effects and counteracting their formation,
  • waste minimization technology and conducting environmentally friendly waste management by optimizing the production process and also segregation, storage and transfer of waste for utilization, 
  • supervising the proper storage of chemical substances used in production processes,
  • rational resource management, materials, water, electricity,
  • establishing environmental protection requirements in relation to suppliers,
  • using new available technologies when it comes to start investment or modernization tasks, through economical and environmental approach.

TSTRONIC and SILED declare:

compliance with the requirements of Polish legal regulations and European standards of environmental protection,

taking continuous actions of improving the environmental impact,

successive improvement in the company in the field of work safety and health protection of employees by constant control of environmental aspects,

providing clients, employees and other interested parties with information on their pro-ecological activities.

A team of engineers working on PCB production

Methods / Quality tools

Customer needs are the most important to us. We precisely build and take care of relations between TSTRONIC team and customer's team. We are one team.

We build space for conversation with customer

We identify customer needs

We listen to customer

We analyze facts and data

The world we live in arises from the quality of our relations.

Our developed competences and skills allow us to predict and remove risks in the functioning of processes.
We successfully use global methods and tools.
Improvement, risk analysis and prevention
Improvement, analysis of causes and incompatibilities
standards and norms
  • Lean Manufacturing
  • PPAP
  • FMEA
  • PDCA
  • 8D
  • Pareto
  • 5 Why
  • Ishikawa
  • IPC 610
  • ESD
  • MSD


ISO 9001:2015
Assembly of electronic devices and subassemblies
ISO 14001:2015
Assembly of electronic devices and subassemblies
PN-EN 61340-5-1:2017
Electronic devices protection system against electrostatic discharges (ESD) in the manufacturing process