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Ningbo Ruifeng Hardware Products Co., Ltd
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About Us
Main products of Ningbo Ruifeng:
Standards: GB, DIN, JIS, ANSI/ASME/IFI, Metric system (M, MF), American system (UNC, UNF), British system (BSW, BSF) screw thread. Products are hexagon nuts, nylon check nuts, all-metal check nut, flange nuts, cap nuts, square nuts, hexagonal steel weld nuts, square weld nuts, weld round nuts, round nuts, head-hooking nut, chain rollers, socket wrenches, bearing rings, HP oil manifold metal junction tubes, ignition plug metal pieces, in-built metal ...
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