キーストーンテクノロジー Company Profile

We sincerely thank you for your exceptional support throughout the year. We are truly grateful for all the assistance we have received this year. We regret to inform you that Keystone Technology will be closed for the New Year holiday during the following period. We kindly ask for your understanding. From Saturday, December 27, 2025, to Sunday, January 4, 2026. ■ Regarding orders from LED Vegetable Garden Dot Com during the holiday period Due to the New Year holiday, orders placed between December 27 and January 4 will be shipped sequentially starting from January 5 of the following year. - Orders and inquiries received on Friday, December 26, may also be addressed after Monday, January 5. - We may not be able to accommodate date requests for the second week of January. We apologize for any inconvenience this may cause and appreciate your understanding. We look forward to your continued patronage in the new year.

Okazaki, a representative of Keystone Technology, will give an oral presentation at the "2025 Ehime Conference of the Japan Society of Biological and Environmental Engineering" as follows: Date and Time: September 16, 2025 (Tuesday) 11:30-11:45 Location: Ehime University, Faculty of Agriculture, Tarumi Campus [Venue A] Artificial Light Sources and Biological Measurement A12-3 Conference Period: September 15 (Monday) to September 19 (Friday), 2025 Title: "Effects of RGB Independent Dimming Light Quality on the Physical Properties of Extraction Target Parts of Artemisia annua L." For participation registration and more details, please visit the conference website.

Our representative, Seiichi Okazaki, is writing a three-part column titled "The Frontline of LED Plant Factories: Challenges to Pioneer the Health and Pre-Disease Market" in the economic and management magazine "Senken Keizai." Currently, the following two installments have been published: ◆ Part 1 (June 2025 issue) Business strategies for plant factory operations that vary by scale → An introduction to optimization strategies for the implementation of plant factories utilizing LED technology, categorized by business scale. ◆ Part 2 (July 2025 issue) The need for social infrastructure for "RGB independent dimming plant factories" to overcome barriers to new entrants in agriculture → An explanation of the significance of RGB independent dimming plant factories and their role as a social foundation in agriculture. In this series, we introduce the practical application of LED cultivation technology and future prospects for pre-disease care and smart agriculture from a field perspective. ◇ Part 3 is scheduled to be published in the August issue. For details and new subscription applications, please check the official Senken Keizai website. ▶︎ https://senkenkeizai.com