FRP Bridge models, Tianjin bridge factory selected Chai Jin (certified), Toray FRP bridge provided by the Tianjin Chai Jin cable tray Limited. Tianjin Chai Jin cable bridge Limited (www.tjcjdlqj.com) is specialized in the "galvanized bridge, fire bridge, ladder type cable tray, spray tray, fiberglass tray, hot dip galvanized bridge" of the enterprise, the company adhering to the "integrity management, intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Cai Yu Guan. [Chai Jin cable tray to recommend the star product - large span bridge] current cable tray is generally assembled from pultruded fiberglass profiles, suitable for power cables, control cables, lighting cables and accessories. Compared with the price of iron bridge FRP Bridge, has a long life (typically the design life of twenty years), easy installation and low cost (specific gravity is only 1/4 of carbon steel, fiberglass construction of the bridge without flare where to sell, single bridge lengths up to 8 meters, or even longer) to facilitate cutting, no maintenance and other advantages. [Chai Jin cable tray to recommend star products - Tray] cable trays are designed to be used to follow a certain formula, introduced under the following specific formula: in design calculations, the actual load capacity if the cable tray with G Total said: then: G Total = n1g1 n2g2 n3g3 ...... Where: g1 g2, g3 ...... are various models within the cable tray weight per unit length. Units (kg / m) n1, n2, n3 is the number of different types and specifications of the cable.