Zhengzhou Risever Industry Co.,Ltd was set in 2008, which is a comprehensive enterprise engages in producing, R&D and solving problems of various traffic safety products. And now it has 5 product patents. lt has a complete and scientific ISO9001 quality management system, and all the products are CEROHS FCC certified, and meet the standard of ASTM D42808EN1463-1 of Europe and America countries. The quality of its...