Belarusian company was established in 1981.
The company constantly improves and expands its the range of products. One of the new developments is an unbalanced-throw screen. Screens are designed to classify mechanically crushed stone, sandy gravel mass and other bulk materials into fractions.
The screens have different deck fastenings: wedged fastening, the fastening with cross tensioning for metal and rubber screens and longitudinal tensioning for harp screens. Special vibration-resistant bearings are mounted on the screens and they have double centering of separators.
Unbalanced-throw screens can be used both independently and as a part of "NPO Center" technological lines of crushing and classification.
Technical specification and principle of operation of unbalanced-throw screens can be found at http://www.npo-center.com/en/products/63/180/
Unbalanced-throw screens are applied in the technological lines of crushing and screening productions. They are used for check screening, intermediate and commodity screening into fractions of bulk materials:
- crushed stone
- sand
- mineral raw materials
- gravel, etc.

Distinctive properties of the screens:
- high separation efficiency
- low foundation level load
- low noise level
- the number of the decks can vary from 2 to 4 depending on the model and the customer's request.
The screens have different deck fastenings: wedged fastening, the fastening with cross tensioning for metal and rubber screens and longitudinal tensioning for harp screens.