The embedded solar road studs of Henan NOKIN Transportation Equipment Co.,NOKIN Traffic are in accordance with GB/T29195 “General Specification for Ground Crystalline Silicon Solar Cells”, GBT19813-2005 “Solar Protrusion Road Signs”, and JTT817-2011 “General Technical Requirements and Testing of Highway Electromechanical System Equipment” Methods”, GBT247252009 “Protruding Road Signs