The world’s largest factory of this type in Yamaga city (SILK on VALLEY YAMAGA”), with manufacturing space of over 4,000 m2, will produce cocoons 24 times per yeaar. Products will include spider silk and fluorescent silk products.”
https://silk-on-valley-yamaga.jp/project/project02.html
Kumamoto-based recombinant silkworm factory will produce 50 t/a of value-added silks.