Tosoh Quartz Completes a New Manufacturing Facility in Taiwan

Tokyo, Japan— Tosoh Quartz Co., Ltd. (Tainan, Taiwan), a wholly-owned subsidiary of Tosoh Quartz Corporation (Yamagata, Japan), is pleased to announce that it has completed construction of a new manufacturing facility in Taiwan. It features three levels aboveground and one level belowground, totaling a floor area of approximately 5,900 square meters. The new facility will make fabricated quartz products for the semiconductor market.

Taiwan is a major semiconductor market that accounts for over 20% of global semiconductor production. Thus, the company will strive to contribute further to that market through this newly expanded capacity.

For more information, please contact: 
Tosoh Quartz Corporation
Public Relations
Shiba 3-5-5 Minato-ku, Tokyo 105-0014
TEL 03 6400 3884
FAX 03 6400 3888



Who We Are

Tosoh is the parent of the Tosoh Group, which comprises over 100 companies worldwide and a multiethnic workforce of over 12,000 people and generated net sales of ¥822.9 billion (US$7.4 billion at the average rate of ¥110.85 to the US dollar) in fiscal 2018, ended March 31, 2018.

What We Do

Tosoh is one of the largest chlor-alkali manufacturers in Asia. The company supplies the plastic resins and an array of the basic chemicals that support modern life. Tosoh’s petrochemical operations supply ethylene, polyethylene, and functional polymers, while its advanced materials business serves the global semiconductor, display, and solar industries. Tosoh has also pioneered sophisticated bioscience systems that are used for the monitoring of life-threatening diseases. In addition, Tosoh demonstrates its commitment to a sustainable future in part by manufacturing a variety of eco-products.

Stock Exchange Ticker Symbol: 4042


This document may contain forward-looking statements, including, without limitation, statements concerning product development, objectives, goals, and commercial introductions, which involve certain risks and uncertainties. Forward-looking statements are identified through the use of the word anticipates and other words of similar meaning. Actual results may differ significantly from the results expressed in forward-looking statements.



For more information, please contact


Gina Lau
International Public Relations
Tosoh Corporation

[email protected]
Tel: +81 3 5427 5118
Fax: +81 3 5427 5198