E-type integrated cable trough, widely used in national high-speed rail cable laying project, the prefabricated cable trough cement components is one of the most basic aspects of high-speed rail construction. Due to the design differences of the railway lines, in addition to the most commonly used 72 * 37.5 * 50cm specifications, I also developed a 72 * 46.5 * 50cm split and other special specifications.