FRP cable trays are made of glass fiber reinforced plastic and flame retardant and other materials, pressed by compound molding material with stainless steel shielding mesh. Due to the low thermal conductivity of its selected materials and the addition of flame retardants make the product not only has fire resistance and thermal insulation, self-extinguishing, and has a high corrosion resistance, but also has the advantages of light structure, aging resistance, safety and reliability, etc., can be easily used with metal bridges, in the chemical industry, metallurgy, petroleum and other strong corrosive environment is used.