ZZN is a world-class provider of driveline and gear components to global OEM’s. ZZN has 40 years of experience providing customers with innovated solutions to all their needs.


The ZZN  has over 40 years of experience in manufacturing powertrain components. Its production facilities and highly qualified staff guarantee the world’s top quality products.
Numerically controlled machines, machining centers, electron beam vacuum welding center and modern heat treatment equipment enable the manufacture of high quality products

The ZZN is currently one of the worldwide leaders in powertrain components used in construction equipment and intends to be the substantial supplier of powertrain components for the automotive and railway industry, agricultural machinery, energy and power industry, and for the national defense needs.

The Quality Management System of the Company has been approved by Lloyd`s Register Quality Assurance as conformable to ISO 9001 International Standards


ZZN has a more than 40 years of experience in drivelines and gearing production processes. It’s helps us to provide only the best solutions.


Spur gears

Spur gears, bevel gears

Our state of the art facilities and advanced machinery allows us to offer comprehensive solutions for drivelines. [more … ]

Shafts and discs

Shafts and discs

ZZN experts in manufacturing and materials offer the best solutions for gears and toothed elements. [more …]

Powertrain components

Powertrain components

We manufacture everything inside ZZN facilities to ensure premium quality. [more…]


ZZN not only provides your components but uses its years of experience to provide effective professional technological services and engineering support.


PKP Intercity 2017
Certyfikat EN-2-page-001
swiadectwo PKPCARGO2017
Transportation and Power Generation Accreditation Program 31 January 2018-page-001

ZZN engineers focus on finding the best solutions for gearing and driveline problems for its customers.



Władysława Grabskiego 23
37-450 Stalowa Wola
tel.: +48 15 813 58 45
e-mail: office@zzn-transmissions.com

Sales Team:

Regina Olichwier
Director of Global Sales & Marketing
tel.: +48 15 813 50 53
e-mail: r.olichwier@zzn-transmissions.com

Mirosław Dudzic
Sales Specialist– Polish market
tel.: +48 15 813 48 04
e.mail: m.dudzic@zzn-transmissions.com

Krzysztof Więckowicz
Product Engineer
tel.: +48 15 813 40 39
e-mail: k.wieckowicz@zzn-transmissions.com

Agnieszka Krzysiak
Export Specialist
tel.: + 48 15 813 51 57
mob.: +48 603 918 863
e-mail: agnieszka.krzysiak@dressta.com

Marzena Markut
Sales Specialist
tel.: +48 15 813 57 01
e-mail: marzena.markut@dressta.com

LiuGong Dressta Machinery Co.Ltd.

Kwiatkowskiego 1, 37-450 Stalowa Wola POLAND