Cable trough is a one-time suppression molding, with protective cable, good insulation, high strength, corrosion resistance, aging resistance, fire retardant, good environmental adaptability (-50-60 degrees-60 degrees) non-toxic, tasteless, light (generally only 1 / 4 of steel cable trough, 1 / 10 of the weight of cement cable trough. ) Easy installation, low cost, long service life, and has the anti-theft function.Especially suitable for highway, railway, tunnel, power, petroleum, chemical, municipal and other engineering construction.