Hot Sale Led Motorway Stud Lights 15T For Freeway
The world’s first significant application of tempered glass Road Studs was in Anyang, Henan. More than 40 businesses in Henan created and developed this product in the early 1990s. There are numerous untempered and semi-tempered glass Road Studs on the Henan market, nonetheless, because most businesses do not know how to deal with the specific tempering and reflecting layer production technology. As a result, the management was formally intervened in by the Henan Communications Department.
The world’s first significant application of tempered glass Road Studs was in Anyang, Henan. More than 40 businesses in Henan created and developed this product in the early 1990s. There are numerous untempered and semi-tempered glass Road Studs on the Henan market, nonetheless, because most businesses do not know how to deal with the specific tempering and reflecting layer production technology. As a result, the management was formally intervened in by the Henan Communications Department.
It was given to the Henan Academy of Transportation Sciences in 1995 to conduct a yearlong investigation and research project on tempered glass Road Studs products. After a year of trial use, the CNS13762 standard for product standards and inspection techniques was formally created; three formal revisions later, this standard is still in use today and is the only one in the world that fully specifies tempered glass Road Studs.