A pioneer manufacturer of metal
fittings for overhead transmission lines


NIPPON KATAN CO.,LTD. was founded in September 1918 with the aim of domestically producing malleable cast iron and metal fittings for overhead transmission lines.

For over 100 years since then, under the corporate philosophy of “Better quality, Unceasing creativity,” we have supported the development of various industries including the stable supply of electricity, through the provision of our products.

By further promoting technological innovation and product development based on our core technologies that have been cultivated since our foundation, we are committed to meeting the needs of our customers and contributing to the development of society while placing the public interest first.

  • Metal fittings
    (Bolted strain clamp)
  • 4000kN tensile strength test machine