Unidirectional Solar Powered Road Studs Manufacturer In . Amber Unidirectional Road Stud For Sale Durban-Nokin Motorway . Solar Road Stud/Solar Road Marker/Cat Eye with Two Colors. US $ 6.3-8 / Piece FOB. MOQ: 100 Pieces. Since 2014. Contact Supplier. Anhui ZSZM Technology Co.,NOKIN Traffic Manufacturer/Factory & Trading Company. Anhui, China