Prva petoletka -
Zaptivni elementi

Factory Prva petoletka - Sealing elements - Trstenik was founded on April 1, 1970. in the framework of the Industry of Hydraulics and Pneumatics First five years - Trstenik. With the development of hydraulic and pneumatic devices, sealing forms and materials were developed.

 1970. godine fabrika je otpočela saradju sa firmom Martin Merkel iz Nemačke preko licence za proizvodnju ojačanih zaptivki i kompleta od gume i guma-tkanina za visoke pritiske za primenu u hidrauličkim uređajima.

1975. In 2008, the factory developed business cooperation with the Karl Freudenberg company from Germany on the production of piston seals for sealing hydraulic cylinders.

Cooperation with companies that today operate under the name Merkel-Feudenberg is extremely successful both in the field of technical cooperation and in the field of overall business.

The factory expanded its production program every year according to market requirements, so that today it produces a wide range of products for sealing hydraulic and pneumatic devices in various fields of application and a wide range of temperature ranges from -60°C to +200°C. The sealing elements are of high quality and meet the strictest norms and world standards.