1. Dimensions: length 3660, width 1220;

2. Material: bridge body，single pile width 400mm， two layers of 18mm flame retardant board + 20mm pearl cotton + 20mm fireproof sponge + 0.8mm flame retardant PU leather + 8mm diameter iron hanging chain (wrapped in leather cover), pile and pile iron The chain link is wrapped in an iron chain leather sheath, and the joint is wrapped with rubber thermoplastic. Bottom webbing platform (ribbon platform is not included in this quotation)