Test For Inspection
Certificate Stamps
Pongee textile rolls that successfully pass the defined quality inspection receive the following certificate stamps:
In addition to these certificate stamps, the qualified rolls receive another kind of certificate stamp for traditional handicrafts specified by the Minister of Economy, Trade and Industry, that allows them to be sold as Authentic Amami Oshima Tsumugi.
 Earth Symbol trademark indicating the textile was handwoven on Amami Oshima |
 Mud Dye certificate stamp indicating the material silk threads were dyed with the natural mud in Amami Oshima |
Plant Dying certificate indicating the material silk threads were dyed with natural plants other than Yeddo Hawthorn ("Teichigi tree" in Amami’s dialect, the typical dying material for Amami Oshima Tsumugi) |
Certificate of Origin indicating the textile was produced in Amami Oshima |