... station, hot power station, nuclear power station includeed.ZQJ composite anti-corrosion steel fireproof cable tray from the PMMA composite material made ... combination of the advantages of series with a flame retardant, corrosion resistance, weather resistance, high strength, light weight, and low ... change inThe level of combustion law (level)IOxygen Index ≥50 anti-corrosion and anti-fire cable tray