W14, for concrete sleepers, is the most widely applied fastening system in the world. Zhongbo have been supplying to many countries with good market feedback. The rail rests directly on the concrete sleeper, only separated by an elastic rail pad. This fastening system W14 can be adjusted in height by using height regulation plates.

The W14 rail fastening system works with all rail types, and offers the following specifications:

  • Track gauge: 1,435m
  • Axle load: 17t-25t
  • Running speed: ≤120km/h
  • Clamping force: ≥22kN
  • Pull-out force: ≥60kN

The E clip fastening system has many advantages, such as:

  • Safe, reliable system from the original designer
  • Threadless, self-tensioning system for all market segments
  • Most extensive range of designs for every type of application and environment

Zhongbo has introduced the NABLA, KP, J2, W3 and W12 fastening systems for metro tracks.

Zhongbo bids itself to oversea tenders, specifications according to standards of AREMA, IFI, ASTM, UIC and special request from clients. We have the ability to design, produce and supply products that have gained inspection certificates from authorities, including TUV, SGS, Exova, BV, Lloyds and BNSF.