Sierosławski Group can be found in Special Economic Zone in Mielec. The company is located in south-eastern Poland, 60 kilometers from Rzeszow and 120 km from Cracow.

It was established in 1968. Sierosławski Group is an innovative and modern company with over 50 years experience.
There are 3 departments: INJECTION LINE, TOOL SHOP, LABORATORY. Main offer includes projects, production of mould, production of plastic parts, maintenance, regeneration and well-equipped laboratory.

THE INJECTION LINE DEPARTMENT
The injection line department offers plastics processing either on own moulds or provided by the client. It implements prototype projects and accomplishes production for a wide variety of branches.
Material used for the production:
PA6, PA6 T20, PA66+GF, POM, ABS, PP, PP T20, PP T30, PS, PC, PPT, PPS+GF, PC, PC/ABS, HDPE, TPE etc.
The company produces a lot of parts dedicated to various industries, for example:
1. Automotive
2. Construction
3. Household appliances
4. Electronic and electric industries
5. Other industries (toys, mudguards, child bike seats, planters, trash can lids, packaging, clips, cases for the food industry, office supplies components for the furniture industry).
SIERSOSŁAWSKI GROUP has a huge machinery park that includes 60 injection moulding machines, ELECTRIC, HYDRAULIC, HYBRID (clamping force from 40 to 1850 tones).

THE TOOL DEPARTMENT
- designing and preparation of 3D documentation
- manufacturing of injection moulds
- execution and implementation of prototype projects for different industries
- service of machining
- service of regeneration and repair of injection moulds with a weld laser
- regeneration of defected moulds
- technical consultancy

LABORATORY (tests on material or part)
-Measuring machine Nikon (2000×1500×1200 mm, precision: 2,1 +L/375 μm )
-Altimeter (0-600mm)
-Hardness tester (70 HRc)
-Strength testing machine (440mm, 20Kn)
-Toolmaker’s microcope
-Plastometer
-Spectrophotometer
-DSC
-Optical Measuring Machine KEYENCE