Founded in 2009, Yixin is a high-tech enterprise integrating research, production as well as sales services, specializing in the manufacturing and researches of the high strength bolts and railway fastening system. The main products include: high strength hexagon bolt and hexagon socket bolt (strength rating up to 6.8 -12.9 grade and military grade 14.9), wind power bolts, steel bolts, tunnel
concrete ring connecting bolts, fastening systems for railway & metro.
