STI Co., Ltd. has grown into a specialized company that manufactures high-value-added equipment and materials based on advanced technology since its establishment in 1989.

Currently, the company holds global No. 1 technology in the optical fiber preform equipment business and has secured competitiveness in the next-generation power semiconductor market through synthetic quartz, a key material in the semiconductor industry, and the SiC PVT Furnace.

In particular, the full-scale launch of the synthetic quartz business marked a pivotal turning point in entering the high-purity material market for semiconductors, enabling us to provide even greater value to our customers.

Additionally, by strengthening the SiC PVT Furnace business, we are contributing to the growth of the advanced semiconductor industry.

We sincerely thank all our customers who have supported us in our growth, and in the future, STI Co., Ltd. aims to become a world-class company producing high-value-added equipment and materials.

Through being selected as one of the World Class 300 companies, we have been recognized for our potential to grow as a global specialized enterprise. We will continue to pursue more active challenges and innovations to secure the best competitiveness, enhance customer value, and strive to deliver customer satisfaction.

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