Since 1952 WSK "PZL- Kalisz" S.A. has been representing Polish aircraft industry and manufacturing aircraft piston ASz-62IR and AI- 14R engines. They are designed to power the following airplanes: An-2 and M-18 “Dromader" (ASz-62IR) and respectively PZL-101 “Gawron” and PZL-104 “Wilga” (AI-14R). These engine types have been worldwide recognized for their quality and awarded numerous quality certificates issued in the USA, Canada, Brazil, People’s Republic of China. They have been produced in thousands and have proved failure free thus clearly evidencing their highest reliability and performance quality. WSK “PZL-Kalisz” S.A. also overhauls and performs repairs of ASz-62IR and AI-14R engines. In addition, the Company manufactures and repairs assemblies and parts of TWD-10B engine for An-28 aircraft.

WSK “PZL-Kalisz” is a joint-stock company (own capital is 85 mln PLN and paid-up capital is 45,86 mln PLN) operating on the basis of the Commercial Company Code. Principal shareholders of the Company are as follows:

- Industrial Development Agency 75,45%

- Company employees 11,59%

- SEMA Sp z o.o. 6,25%

- the City of Kalisz 1.35%

- Energy Plant "Energa S.A." 1,20%

- Other shareholders 4,16%

WSK “PZL-Kalisz” is a capital group composed of the mother company and its 2 fully-controlled subsidiaries:

- ZOT “NARZĘDZIOWNIA WSK” Ltd.

- PPUH „MECHANIK” Ltd.



WSK „PZL-Kalisz” S.A. is the company of the essential importance for the Polish economy and is considered as part of the Polish Defence Industry Potential.

As a result of the Company's restructuring process WSK "PZL- Kalisz" S.A. has extended its business into wide range of manufacturing programs and servicing activities including production of high pressure engine parts, oil pumps, gears, aircraft screw gears, turbochargers, push rods, pump housings and first of all crankshafts for high pressure engines. All these components require high precision machining in performing special requirements of its customers.

WSK "PZL-Kalisz" S.A. maintains business relationship with well-renowed companies such as: General Electric Transportation Systems, Allison Transmission, Turbomeca, Sulzer Textil Switzerland, Pratt & Whitney Kalisz, and many others. Part of the Company production is designated for military aviation.

The Company aim and priority is focused on meeting the Customer’s requirements that can be with WSK "PZL-Kalisz" capacities.

WSK “PZL-Kalisz” S.A. acquired modern machinery operated by highly qualified and experienced technical staff. The Company continuously seeks new Customers and Suppliers especially in the manufacturing of precise and aviation components requiring high precision processing. Interested partners are always welcome.

In 1999 the Company was awarded ISO 9001-2000 Certificate.

In 2000 the Company was granted PART-145 Certificate.

The following year – 2001, the Company attained PART-21G Certificate.

In 2002 the Company was awarded AQAP-2110 Certificate.

In 2004 WSK “PZL-Kalisz” S.A. was granted a license by The Polish Ministry of Internal Affairs and Administration for manufacturing and trading products and equipment for military and police force application as well as transfer of technologies.

In 2009 the Company was awarded AS 9100 Certificate.

The company specialized at precise machining small and medium parts.

The story of success

ZNTK - Radom GmbH was founded in 1887. Since the company's founding principle of our is the constant development and modernization of the products offered. The products of our company are mainly intended for the railway industry. We specialize in the production of the valve elements that are used in train braking systems. Our mission is to deliver the parts for the rail industry, which have been manufactured with the highest quality. Our goal is to ensure the best delivery and prices to our customers.

Guarantee the highest quality

Our professional and highly qualified staff together with the experienced management guarantee the highest quality of products and services offered. Internal quality management system ensures the fulfillment of your refined quality requirements.

Width production possibilities

ZNTK - Radom Ltd. specializes in the production of parts and equipment that are used in the rail industry and the automotive industry.Our professional staff and the universal machines enable the production of parts and assemblies according to customer specification. We can also easily adjust our production capabilities to meet customer expectations. Thus we have the flexibility to accept various orders of the metal industry.

Our production capabilities include:

- Machining
- Ductile forming
- Heat treatment: Carbunieren and inductive hardening
- Electric melting and Gasschmelzscheiβen
- Surface treatment
- Sandblasting
- Painting
- Assembly

For the majority of our products, we use CNC machines.

Striving for the ever-evolving customer expectations, ZNTK - Radom GmbH focuses not only on the highest quality of offered products, but also on the search for new production solutions that satisfy the data reported by the customer's needs to the best level.

The main sphere of business is a production of the assembled configurations with various numbers of parts accordingly to the technical documentation delivered by customers. The company owns the proper technology placed on the production area of 3600 m². The technology provides the possibility to machine the large sized objects as well. (Max. sizes: 5000 x 2500 x 2200 mm, the mass up to 10 tons). The achievable precision is IT7. The welding workshop is equipped with modern welding technology.