Ladder-type cable tray is based on the relevant information at home and abroad to improve design. It has light weight, low cost, unique styling, easy installation, heat, and good permeability. It is suitable for general large diameter cable laying, especially for high and low voltage power cable laying. Ladder-type cable tray equipped with shields, shields when necessary with that stated in the order or in accordance with guard model order, all its accessories and tray type, trough bridge common. Ladder-type cable tray of its surface is divided into electrostatic spray, galvanized, plated three kinds of paint. Health corrosive environment can be a special embalmed. Cascade cable bridge needed to increase the user beyond the scope of this standard varieties of specifications, also to maps, letters, or consult personally, We will meet your needs as much as possible