Congratulations to Mr. Chen, the president of Seih-Ying is re-elected as the Director for China Road Federation. Hot News !! Seih-Ying Co.,Ltd. passed the "ISO9001 certificate" 、CE certification in Europe and "DIN EN1463-2" R1(After installed for 1 year, the night-time visibility measurement shall be more than 99%)、S1(The samples shall no defect after installed for 1 year) class!!