About Us ...

We have been thinking about safety first with passion for a long time

We are developing/producing next-generation traffic signals and developing/serving smart traffic light apps for the transportation disadvantaged.

Company that prioritize human safety

2021.12

Establishing STL Co., Ltd
2021

Secure floor light controller compatibility testing
Achieving the performance of Floor Traffic Signal Light based on Police Department standard guideline
2020

Developed Floor Traffic Signal Light
Patented the Smart pavement marker and service providing system using the same
Patented the Smart bottom traffic signal light and operation method thereof
Patented the Bottom traffic signal light having prism structure
Patented the Remaining time display device of crosswalk traffic light and method thereof
2019

Patented the Smart pavement marker and service providing system using the same
Patented the Heated Traffic Signal Light in US and Canada
Developed Smart pavement marker and service providing system using the same
2019.05.24

Establishing STL