... hydrant box, ect. 1. material: zinc alloy; 2. finish all of the crafts in factory; 1. materia and finish: chrome plating/SAND chrome plated/black ... plate;3. usage: distribution box, network cabinet, switch box, junction box, fire hydrant box, outdoor cabinet, telecom, vending machine, panel box. ... to each coin and process, seek for greater perfection. zinc alloy cabinet plane industrial lock SC-02-A