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Production and sales of fasteners made of various materials such as carbon steel Q235, Q195, Q345, 45 #,35 #, and 40Cr, as well as high-strength bolts, threaded screws, water stop screws, bolts, nuts, double head screws, foundation screws, and various national and non-standard fasteners produced by our company, are widely used in construction sites, industrial and mining railways, transportation facilities, power fittings, and other fields, as well as in the production of seismic brackets.