QSI Co

QSI Co Operating Cash Flow

The Operating Cash Flow of QSI Co (066310.KQ) as of Oct 21, 2026 is 4.75 B KRW. In the previous year, Operating Cash Flow was 3.23 B KRW — a change of 46.82% (higher).

Operating Cash Flow

4.75 BKRW

YoY

46.82%

Last updated:

Operating Cash Flow of QSI Co is 2025 4.75 B KRW. Operating Cash Flow of QSI Co was 2024 3.23 B KRW. It decreases by 46.82% higher compared to the previous year.

The QSI Co Operating Cash Flow history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Operating Cash Flow
Date
Operating Cash Flow
Jan 1, 2018
3.24 B KRW
Jan 1, 2019
2.63 B KRW
Jan 1, 2020
1.21 B KRW
Jan 1, 2021
8.24 B KRW
Jan 1, 2022
5.28 B KRW
Jan 1, 2023
5.47 B KRW
Jan 1, 2024
3.23 B KRW
Jan 1, 2025
4.75 B KRW
The QSI Co Operating Cash Flow history
YEAROperating Cash FlowYoY
4.75 BKRW+46.82%
3.23 BKRW-40.95%
5.47 BKRW+3.59%
5.28 BKRW-35.87%
8.24 BKRW+583.29%
1.21 BKRW-54.07%
2.63 BKRW-18.91%
3.24 BKRW+3.63%
3.12 BKRW+26.41%
2.47 BKRW-31.79%
3.62 BKRW-16.58%
4.34 BKRW—

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QSI Co Stock analysis

What does QSI Co do? Q.S.I Co., Ltd. manufactures and sells semiconductor laser and optical semiconductor products under the brand name QSI Laser Diode. The company produces LDs for power tools, laser modules, barcode scanners, laser beam printers, optical pickup units for DVDs and CDs, medical equipment, sensors, and optical communications. Its clients include Fuji Xerox, Panasonic, Samsung, and Stabila, purchasing these products for integration into their devices and systems. The firm distributes its products domestically and internationally, focusing on the manufacturing and sale of specialized optical components for various industries. Q.S.I Co., Ltd. generates revenue through the sale of its branded semiconductor laser products to major electronics manufacturers and equipment providers. The company's product portfolio targets applications in consumer electronics, medical devices, and industrial tools, with key customers like Samsung and Panasonic driving demand. By supplying components such as LDs for optical pickup units in media players and sensors for industrial applications, QSI meets the needs of established brands in the technology sector. The firm's business model relies on direct sales to clients including Fuji Xerox, Panasonic, Samsung, and Stabila, who incorporate QSI Laser Diode products into their end products. These customers operate in diverse sectors such as office equipment, consumer electronics, and industrial tools, creating consistent demand for QSI's specialized optical semiconductor solutions. The company's focus on both domestic and international markets ensures a broad customer base across multiple industries. QSI Co is one of the most popular companies on Eulerpool.

Frequently Asked Questions about QSI Co stock

Operating Cash Flow of QSI Co is 4.75 B KRW in 2025.

Operating Cash Flow of QSI Co changed from 3.23 B KRW to 4.75 B KRW, representing a 46.82% change. The value is higher than the previous year.

On Eulerpool you can find the complete historical development of Operating Cash Flow QSI Co since 2006 – with annual values, charts, and detailed analysis.

Operating cash flow measures the cash generated from core business operations. It is a pure measure of a company's ability to generate cash.

Operating Cash Flow's KRW is a key factor for investors. Changes in this metric can signal improving or deteriorating fundamentals, directly impacting the stock price. On Eulerpool, you can track Operating Cash Flow's QSI Co historically and in real time.

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Cash Flow — QSI Co

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