Road stud shank on motorway–NOKIN Solar Road Studs Shenzhen Nokin Traffic Facilities Co., LTD was founded in 2001, has more than 20 years of experience in the production and manufacturing of led road stud lights, the main products are LED road stud lights, LED street lights, led traffic sign, and road marking machine, etc. Occupy solar LED road stud light source of the complete product line