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About Primix

Primix - Manufacturer of the Hybrid Crosstie

Welcome to Primix, designer of the worlds first engineered hybrid crosstie/sleeper. Primix patented crossties develop their strength and durability by utilizing the structural properties of high strength steel, concrete and reclaimed rubber and plastic as the outer insulator.

Primix was founded in 1996 and services the global railroad infrastructure. Primix targeted customers include:

  • DOT’s, Government Agencies, Port Authorities & Municipalities
  • Main, Short & Regional Railroads
  • Railroad contractors & transit Systems
  • Industrial End-users & Inter-modal Facilities
  • Mining Operations, Power Plants, Storage Yards & Switching Facilities

Primix manufacturing licenses are Dynamic Composites LLC, Columbia City Indiana and Primix China located in the Chengyang district of Qingdao China.


Dynamic Composites is the exclusive manufacturer and distributor of Primix Cross Ties in North America.

Primix China is located in Chengyang District of Qingdao, China.

Copyright © 2008 Primix Corporation

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