?Shanghai Lianyu Industrial Co., Ltd. specializes in the production of comprehensive brackets, trough cable trays, cascade cable trays, tray cable trays, FRP cable bridges, hot-dip galvanized trays, spray plastic trays, grid trays and various specifications of combined hangers, finished brackets, seismic brackets, pipe gallery brackets. Shanghai Lianyu Industrial Co., Ltd. We continue to innovate, pursue quality and quality, and provide good products for advertisers.?