Since it establishment in 1990, Seih-Ying Co., Ltd.-the glass road stud manufacturer 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 the world after continuous improvement over 23 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 13762 and complies with requirements of Article 26 of Government’s Purchase Law in Taiwan. At the same time, Seih-Ying also passed the ISO 9001, CE certification in Europe, GB/ ... more