Trough, pallet or cascade form of straight line segments, siphon, three-way, four-way elements, and trailing arm (arm-bracket), hangers and also other rigid structure with tight support cable system consisting of name (hereinafter referred…

1, flame-retardant cable fire prevention measures are: seal, blocking, painting, insulation, Pack, water spray and others. 2, paints, PuTTY must be qualified by the State technical appraisal, by the public security Department issued a prod…