Since it establishment in 1990, Seih-Ying Co., Ltd. has always strived in research and production on optical and special glass. Among our products, the ??????Tiger eye - 360???? glass reflecting marker under Flash Brand?????? has become the most durable road reflecting marker with best quality in th world after continuous improvement over 20 years.





The 360???? glass reflecting marker produced by Seih-Ying complies with traffic regulations in Taiwan and it is the first legal product that passes CNS ...