Jun 27, 2022 · Products. NOKIN Traffic is a professional, reliable Road Stud manufacturer,supplier which has been in the field of traffic facility for nearly 15 years. NOKIN Road Stud are made of active shining LED light source and are fully autonomous over several years. Aluminum Road Stud With Shank R1. Load Bearing: More Than 30 Tons. Warranty: 18 Months.