Photoresist bigger deal than ASML/Lam/AMAT, can't fab w/o more photoresist. Japan dominates, what about supply chain? Xuzhou B&C has full Photor

Photoresist bigger deal than ASML/Lam/AMAT, can't fab w/o more photoresist. Japan dominates, what about supply chain? Xuzhou B&C has full Photor