Composite sleeper The shape of the composite sleepers are similar to that of ordinary wooden sleepers. The construction and installation process is simple, and the composite railway sleepers can be sawed, planed, nailed, screwed and glued with ordinary woodworking tools. The composite railway sleepers have low thermal expansion coefficient and thermal conductivity, high anti-seismic, compressive, tensile and flexural strength. Composite sleepers can maintain good electrical insulation and stability even in long-term adverse weather conditions. The composite railway sleeper has better processing performance than the concrete sleeper. It is light in weight and can be processed into any length. It is not necessary to customize the mold for each length. After repairing the nail hole on the composite sleeper. It can be used again with long service life.