• SEIRIN has been a leading manufacturer of acupuncture needles and occupies the highest market shares of acupuncture needles in Japan. Based on our long time experience in the acupuncture industry, we have developed the technique of straight linear processing and point processing for ultra-fine steel wire which are proprietary to us.

  • Straightening process

    We begin the process with straightening coiled steel wire.
  • Point processing

    we have developed and built own technique for polishing the tip of needles.
  • Research and Development Case

    we have developed products that meet customers' demands in a variety of fields.