Our company’s perennial productions cover the range of  shear studs, high strength bolts and nuts ,high strength hexagon bolt nut and plain washer for steel structures, torshear type high strength bolt connection and flange bolts, all of which can be arranged according to the following standards for production and inspection: DIN931,DIN933, DIN6914-6916, ASTM A490/A490M, ASTMA325/A325M, GB10433, ISO13918, JIS B 1198, BS5400,AWSD1.1. 

    All kinds of products in our company have been sold perennial around the world, many products have been applied in the world well-known architectural engineering including T3 terminal building in Shenzhen city, Xi’an North railway station, DaGuang highway yellow river bridge,  27 Yangtze river bridge etc which have been widely recognized.