021-57846023
021-57846063




 
      The Shanghai Tianyu Hardware Manufacturing is a company with more than fifteen years of experience manufacturing fasteners. We specialize in the manufacture of standard and custom thread forming screws, weld screws, combination screws, socket head cap screws, self tapping screws, piston bolts, winding bolts, hexagon flange screws, and machine screws. Our product......

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