Jiangsu Yunzhan Electric is a professional manufacturer of cable trays, including elevated cable trays and glass-steel cable trays. Located in the beautiful city of Changzhou, Jiangsu province, it is a designated enterprise of the National Petrochemical Industry. We specialize in the production of steel cable trays, glass-steel cable trays, once-extruded glass-steel cable trays, groove-type glass-steel cable trays, groove-type steel cable trays