Our company’s weather-resistant large hex-head bolts manufactured using cold forging technology have been awarded the Beijing Municipal Honorary Title for New Technologies and New Products. These products have been successfully deployed in numerous national key construction projects, including the Zhangjiakou Winter Olympics, the Bangladesh Light Rail, the Fuzhou–Xiamen Railway, and the Beijing–Zhangjiakou High-Speed Railway.Products include the F3152 series and the EN14399 series.