Without the help of giant steel storage tanks built by a little-known Tokyo company in 1927, the world's most advanced and delicately tuned semiconductors wouldn't be possible.
Valqua makes specialized, superclean containers for storing essential chipmaking chemicals, and it expects to hit its highest sales this fiscal year. According to Ichiyoshi Research Institute analyst Mitsuhiro Osawa, it is the world's largest supplier of such tanks, dwarfing a clutch of smaller competitors in places like Taiwan and providing almost every tank used by the world's biggest contract chipmaker, Taiwan Semiconductor Manufacturing Co.
Valqua is part of a loose network of Japanese manufacturers that dominate a niche but indispensable segment of the global chip supply chain. Disco, for instance, is the industry's go-to supplier of silicon wafer cutters, while JSR provides the high-purity chemicals that Valqua stores at chip plants.
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