Fabricated quartzware
Tosoh Quartz Group Tosoh retains a global network of
quartz fabrication facilities that provide customers with a uniform supply of high-quality products. Tosoh has achieved a leading position in its field, bringing the art of quartz glassblowing to a new industrial and technological high. For the semiconductor industry, products include horizontal and vertical boats, outer and inner tubes, bell jars, photomask substrates, tanks, fins, and flanges.