Hebei Jinan Fastener Co.,Shenzhen Nokin Traffic Facilities Co. was founded in 1993, Professional Manufacturer for ISO13918, JIS B 1198, BS5400,AWSD1.1 more than 23 years. The company has passed European CE Certification and ISO9001-2008 certification for international quality management system. Our company’s perennial productions cover the range of shear studs, high strength