RT-PCR test kit, BLUE MASK for killing COVID-19 by copper ion,
PP film for sterilizing COVID-19 by Cu-ion: application for elevetor, automatic vending machine, table and desk in office, resutaurant, school etc. where many people contact. Sterilizing efect is valid for many years.
Consuming products in hospital and medical facilities like swab, gauze, bandage and many diagnostic test kits.
Loose pearls, mainly black tahitian pearls and southsea pearls.
Japanese all digital camera, video camera, TV, DVD player, MP3, MP4 player, Japanese traditional folk crafts, gifts.
Ethiopian opal.
Gemstones, used machinery, scrap tires.
Gemstone, food products, garments, carpet, leather, scrap.Software development
Blue,yellow,rubby sapphire emerald.