It was published in the environmental section of the industrial newspaper!

Achieving quality stabilization in PC construction! Unified management made possible by a manufacturer of anchor bolts.

Our "Reinforced Column Base Frame for PC Method" is a frame developed by utilizing the know-how accumulated over many years in anchor set construction, aimed at ensuring the installation accuracy of main reinforcement for PC methods, which has been a source of concern until now. It eliminates the hassle of adjusting the main reinforcement after concrete pouring and significantly reduces the stress during the installation of PC columns. 【Features】 ■ Stabilization of quality in PC methods ■ Unified management possible due to being an anchor bolt manufacturer ■ Consistent support from design to construction *For more details, please refer to the PDF document or feel free to contact us.

• Foundation construction
• Steel bar construction
• Steel construction

As a manufacturer of anchor bolts, we specialize in comprehensive anchor set construction, from design to manufacturing and installation!

Otsu Iron Works Co., Ltd. handles anchor bolts used in building foundations, as well as bolts and screws for construction, providing a consistent service from manufacturing to installation. We also offer same-day issuance of mill sheets and proposals related to special anchor frames and anchor sets for machinery equipment installed in production factories and plants. We achieve centralized management that complies with standards and clearly defines traceability management. [Reasons to Choose Otsu Iron Works for Installation] 1. As a manufacturer of anchor bolts, scheduling for delivery and installation is easy. 2. Total proposals for platform drawings, manufacturing, and installation tailored to the conditions of the construction site. 3. Comprehensive proposals related to complex and specialized anchor frames and anchor sets. *Please feel free to consult us regarding anchor bolts, anchor frames, or anchor sets. *For more details, please do not hesitate to contact us.

• Foundation construction
• Residential foundations
• Steel construction

A diverse lineup of anchor bolts, including stainless steel anchor bolts, foundation anchor bolts, and structural anchor bolts for construction.

Otsu Iron Works Co., Ltd. handles anchor bolts and construction bolts and screw products used in the foundation parts of buildings. The "anchor bolts" shipped under strict internal standards include a lineup of "foundation anchor bolts," "single-thread anchor bolts," and "double-thread anchor bolts." Additionally, we can manufacture stainless steel anchor bolts that are not commonly available in the market. 【Product Lineup】 ■ Foundation Anchor Bolts (Round Steel / Deformed Steel) ■ Double-Thread Anchor Bolts ■ Single-Thread Anchor Bolts ■ ABR ■ ABM *For more details, please feel free to contact us. *If you have specific requests for custom-made anchor bolts, please contact us directly.

• Other fittings
• Work tools
• others

Based on our extensive experience and track record in handling the installation of solar mounting systems on various conditions (such as walls and slopes), we offer proposals tailored to your needs!

Leave the installation of solar panel mounting systems to Otsu Iron Works! We can coordinate everything from panel layout and design to construction, so you can trust us with peace of mind. Depending on the situation, we will propose a combination of our own and other companies' products. 【Examples of Construction Achievements】 ■ Ground-mounted systems (Concrete foundation) - Truss mounting system… customizable in terms of number of tiers and angles - Lightweight mounting system… excellent cost performance and quick installation ■ Ground-mounted systems (Pile foundation) - OT screw piles… piles that utilize the strength of the ground. Easy to install and remove - Steel pipe piles… effective in areas with low pull-out strength. Can be installed even in hard rock locations ■ Flat roof mounting systems… possible at high altitudes! Custom design to fit roof shapes ■ Aluminum mounting systems (high corrosion resistance, high strength, lightweight)… high strength due to corrosion-resistant and thick structure ■ Standing seam roof mounting systems… bolt-fixed to prevent detachment due to strong winds or earthquakes ■ Parking lot mounting systems… effectively utilize parking lots as power generation sites ■ Custom-made special mounting systems… designed and constructed to meet various conditions *For more details, please feel free to contact us.

• Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)
• Solar mounting brackets and fittings (solar fittings and protective sheets)
• Parking lot facility construction

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; President & CEO: Hideki Shibata; hereinafter “the Company”) announces that it has renewed the user interface (UI) of TwooCa, the Company’s digital employee ID with Visa payment functionality.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; CEO: Hideki Shibata) is pleased to announcethat NBS Logisol Co., Ltd. (Headquarters: Hita City, Oita Prefecture; CEO: Itsuro Kono) has introduced “TwooCa,”a Visa-enabled digital employee ID card, for approximately 1,100 employees.

An article about the resin-based lightweight formwork system "PERI DUO" has been published in the "Construction News" (November 7, 2025)! "PERI DUO" is a new system formwork made of resin that can be used for walls. It is made from a newly developed material called "Politec," which is high-strength and lightweight. With fewer components, it is easy to handle. It allows for increased reuse and is an environmentally friendly lightweight formwork that is flexible on the construction site! 【DUO Product Features】 ■ New system formwork made of resin ■ High strength and lightweight ■ Fewer components and easy to handle ■ 100% recyclable *For more details about this product, please feel free to contact us. PERI Japan Co., Ltd.

We are pleased to announce that the "Kuji Regional Renewable Energy Circulation Project" in Kuji City, Iwate Prefecture, has received an Excellence Award at the 2025 Solar Week Awards organized by the Japan Photovoltaic Energy Association. The "Solar Week Awards" recognize initiatives and projects that contribute to the community, are desired by the community, and serve as models for the expansion of solar power generation. On July 24, 2025, NGK Insulators, Ltd. issued a press release titled "Start of Operation of Solar Power Generation Equipment at Hybrid Storage Facility with Sharing Function - Ceremony Held at Solar Power Plant Operated by Iwate Bank Group Company." This demonstration of the hybrid storage facility with sharing function (StorageHub) is being conducted by manorda Iwate, a regional trading company fully funded by Iwate Bank, with development led by NR-Power Lab Co., Ltd. NR-Power Lab Co., Ltd. is leading the design, development, and system operation of the StorageHub in this project. We will continue to collaborate with our partner companies to engage in technological development and the creation of advanced services aimed at realizing a sustainable local community.

The IFEMA exhibition center in Madrid is already prepared! Grace Solar warmly invites everyone to the Genera exhibition on November 18, where we look forward to seeing the future of solar mounting technology together. As Spain and Europe accelerate their transition to renewable energy, we will present our entire series of durable solutions: ✔️ Intelligent Tracker System — Smart technology designed to achieve maximum power generation across diverse terrains ✔️ Ground Mounting System — Provides a solid foundation for large-scale solar power plants ✔️ Roof Mounting System — A multifunctional penetration prevention solution applicable to commercial and industrial roofs Please visit us at booth H3D01. This is an opportunity to interact directly with our technology experts, see live demonstrations of our products, and gather information to build a solid foundation for your next project. Venue: IFEMA Exhibition Center, Madrid, Spain Date: November 18-20, 2025