We are a company with 30 years of tradition and experience in the processing of metal turning, milling, cutting, welding, drilling, etc. ..). Currently, the company employed 20 workers. The work takes place in two shifts if necessary, introduce a third shift. In 2005, we received the certificate ISO 9001:2000.
Our products are manufactured on modern CNC Lathes, CNC cutting centers, CNC wire erosion.
All our products are measured with a calibrated measuring equipment, our latest acquisition of a 3D coordinate measuring machine DEA, however, allows us to measure the complex pieces of the scanning area.
Our machines are programmed by Solid Cam, Solid Works, however, is used for the construction.
Our customers are from several branches of industry such as automobile, agricultural machinery, engineering, furniture industry.
Some of our major customers: UNIOR Zreče, MLM Maribor, TCG UNITECH LTH Škofja Loka, SIP Šempeter, SMM Maribor, Metalka Wien, APM Luckey, Hidria AET.
We offer the possibility of producing separate pieces 1-10 pcs / lot, 100-1000 pcs/lot; serial 1000-100.000 pcs/lot, as well as 500,000 pcs/lot and more.
Our CNC lathes are able to produce products from a diameter of 10mm - 300mm, length 600 mm, CNC Machining centers, however, can make the items dimensions 1000x600x500 weight of 1000 kg of 3D technology, and also we have the option of processing pieces of 4 axis.

The company is Strzelczyk for almost 30 years a reputation for innovative and high-quality stainless steel products. We are your competent and reliable partner for:



Metal construction
Advice in detail design
Complete performance planning - Production - Assembly
to individual needs
Materials mix with wood - glass - Stone

Established in 1949, the STS Sumperk company manufactured by the last 20 years thousands of agriculture machines. Today STS Sumperk company makes its turnover 90% out of sub-contracting for significant customers like General Electric, Mercedes Bus, Siemens and Tatra. We are exporting more than 80% production to the EU countries. The skilled workers in well-equipped production plants manufacture all products in top quality and just in time. Our commercial and technical staff led a team of 180 professionals.

Our key activities are:
- NC machining (maximum size 800 mm x 800 mm x 720 mm)
- NC Plasma cutting (25 mm x 3200 mm x 1600 mm)
- NC press brake (160 t, maximum size 3150 mm)
- Horizontal Boring machining (maximum size 1250 mm x 1250 mm x 900 mm)
- Welding of steel, stainless steel and aluminum
- Mechanical assembly up to 3.500 kg
- Top quality painting box (maximum size 8000 mm x 3400 mm x 3000 mm)
- Grey iron casting (maximum size 1000mm x 1000 mm x 1000 mm)

Thanks to its experience and know-how, STS Sumperk guarantees the manufacturing of your fabricated components, steel structures and Grey iron castings in total respect of quality requirements and of delivery dates. Our company offers you the services of a high performance and multipurpose industrial tool.