Co-op Nomura Minami Ishikiri Apartment Water Supply Pipe Effect Verification of Red Rust to Black Rust Conversion

Effective against concerns such as "decreased air conditioning efficiency," "increased pump load," and "rising electricity costs" due to red rust in the piping... Boost productivity efficiency!

~Do you have any of these concerns?~ ■High electricity bills... ■Ineffective air conditioning... ■Machines are not functioning well... It might be due to red rust in the pipes... Transform your pipes into "rust-free pipes" with the "NMR Pipe Protector" and extend the lifespan of even old pipes! No worries about business interruptions due to water outages or lost opportunities from line stoppages that are essential for pipe replacement! ~Many factory case studies available~ ★Major DPE factory ★Major automobile manufacturer factory ★Food processing factory in Shizuoka Prefecture *You can download the materials for free. *Please feel free to contact us first.

• Water supply facilities

The rust prevention effect of the NMR pipe protector is due to the action of small clusters of water, which has also been proven to promote the growth of tomatoes and strawberries.

The anti-rust device for pipes, "NMR Pipe Protector," was featured on TV Tokyo's economic information program "World Business Satellite (WBS)." The water treated by the NMR Pipe Protector has a smaller cluster size, which promotes the growth of vegetables, leading to verification in the agricultural sector. At "Mitsu Village" in Himeji City, Hyogo Prefecture, NMR Pipe Protectors are installed in the piping that delivers water to greenhouses. In the program, the weight of tomatoes grown with regular water was compared to those grown with water from the supply pipe equipped with the NMR Pipe Protector, and on average, the latter tomatoes were 16 grams heavier. From previous verifications, it has been found that growing tomatoes with water from supply pipes equipped with the NMR Pipe Protector increases the yield by approximately 7 percent. In this way, the NMR Pipe Protector is expected to leverage its ability to change the properties of water and expand into various fields. *You can download the materials for free. *Please feel free to contact us first.

• Renovation and repair methods

We recommend a free inspection for piping that has been in use for 20 years! Based on diagnostic results from images and data, we will propose the best methods for cost reduction and extending the life of your piping.

Do you know of a way to reduce the management costs of piping and extend the lifespan of old pipes? By reconsidering the replacement of old pipes (pipe renewal) and traditional pipe rehabilitation, significant cost reductions can be achieved. Furthermore, the typical lifespan of pipes, which is around 20 years, can be extended to 40 to 50 years, comparable to the lifespan of the building. At Japan System Planning, we offer a free diagnosis of red rust deterioration inside pipes. If the diagnosis indicates that cost reduction is not possible, we will not make any proposals. We will conduct an assessment to help you continue using old pipes for as long as possible and at a low cost. Please feel free to reach out to us! [Recommended for those who:] ■ Want to know the deterioration status of their pipes ■ Are considering pipe renewal but are troubled by high costs ■ Are paying ongoing costs for pipe management, such as internal cleaning *You can download materials for free. *Please feel free to contact us first. *The free diagnosis is applicable to customers considering the introduction of our products only.

• Water Treatment

Replace everything when it gets old? You’ll miss out if you don’t know! Gentle management methods for piping and the reasons behind them. New anti-corrosion technology for piping!

<Aren't you mistakenly recognizing this?> - There won't be any red water, so it's fine, right... - If it's a VLP pipe or anti-corrosion core, it won't rust, so it's okay... - For now, we're cleaning the pipes, so it should be fine... - If it gets old, we have no choice but to replace everything, right... = Knowledge is definitely beneficial = - Examples of red rust troubles seen in images of piping - What is "black rust" that completely solves the red rust problem? - The chemical change "reduction" that transforms red rust into black rust - Pipe-friendly management methods and the reasons behind them *You can download the materials for free. *Please feel free to contact us first.

• Water Treatment

We have published numerous costs for when you actually implement it. We will provide a "cost comparison table" that clearly shows the comparison with the costs of updating the piping!

~For those who are troubled by such issues~ ■ I don't have the money to rebuild or update the plumbing... ■ I want to quickly address the red water and plumbing clogs... ■ Water outage work is quite a hassle... ★ Please download and view the "Case Studies" PDF document below. ★ Feel free to contact us if you want to know a rough estimate of the costs!

• Piping Equipment

Incredible... Over 4,300 installations! Even old piping can avoid the need for replacement thanks to rust prevention effects! We will introduce various case studies from different buildings all at once.

～Recommended for the following people～ ■ Those who want to continue using old piping ■ Those who do not want to cut or grind the piping ■ Those who prefer to avoid water outage construction ■ Those who do not want to spend much time or money…! The introduction cost is less than 1/5 to 1/10 of the cost of pipe replacement! *Please download the PDF materials below to view the "Case Studies." *Feel free to contact us if you want to know a rough estimate!

• Water supply facilities

For countermeasures against red rust in water pipes, we recommend the "NMR Pipe Protector"! It quickly improves red rust inside the pipes, requires no power, and has zero running costs!

【Features】 - Eliminates red water and red rust blockages - Patented construction method - Installed on the outside of pipes, no cutting of pipes required - Zero running costs - Highly versatile with numerous proven results For free material requests or inquiries, please feel free to contact us. ■■■■■ Japan System Planning Co., Ltd. ■■■■■ Toll-free number: 0120-320-390 Official website: https://www.jspkk.co.jp/jp/contact/

• Air conditioning

Extend the lifespan of your current water pipes and air conditioning pipes for over 40 years! By converting red rust to black rust, we can rehabilitate the pipes and eliminate the need for expensive pipe replacements.

■Features - Cumulative installation record of over 4,300 buildings as of March 2022 - Extends the lifespan of water pipes for over 40 years, up to the lifespan of the building - Installation costs are about 1/5 to 1/10 of pipe replacement work - Patented in Japan and the United States, registered with the Ministry of Land, Infrastructure, Transport and Tourism's NETIS new technology utilization system - No need for water outages, no running costs (power supply or chemicals) required - Installed on the outside of pipes, allowing for short-term installation and ensuring hygiene - Comes with a product warranty ■Product Overview By converting red rust that occurs inside old pipes into black rust, we improve and reinforce the pipes, effectively rehabilitating them. This also prevents the new occurrence of red rust. While red rust deteriorates pipes, black rust has entirely different properties. Black rust has a smaller volume than red rust, is more robust, and is insoluble in water, which reinforces the pipes and extends their lifespan by over 40 years. Typically, the lifespan of pipes is shorter than that of buildings (about 20 years), but this solution allows for an extension up to the lifespan of the building without the need for expensive pipe replacement. ■ Japan System Planning Co., Ltd. ■ Toll-free number: 0120-320-390 Official website: https://www.jspkk.co.jp/jp/contact/

• Piping and insulation
• Sanitary fixtures
• Water and sewerage pipe fittings

We would like to inform you that, in order to further strengthen and enhance our sales and service operations, there will be changes to our Nagoya Sales Office as of April 1st, as detailed below. ■ Relocation of Nagoya Sales Office 【New Address】 〒460-0003 6th Floor, Sando Building, 1-7-27 Nishiki, Naka Ward, Nagoya City, Aichi Prefecture TEL: 052-212-6520 / FAX: 052-212-6521 *Please note that the TEL and FAX numbers will also change. Taking this opportunity, all of our staff will continue to make even greater efforts. Please feel free to contact us.

iPick Co., Ltd., a partition manufacturer, will explain the definition of non-combustible materials under the Building Standards Act and their importance in office interiors. Fire-resistant materials are classified into three categories: non-combustible, quasi-non-combustible, and flame-retardant, based on safety during a fire. At iPick, we handle aluminum partitions that have received non-combustible certification, demonstrating high fire resistance, which is required by "interior restrictions" depending on the size and use of the building. Selecting appropriate materials is crucial not only for protecting the lives of employees but also from the perspective of asset protection and business continuity planning (BCP). We propose the creation of safe spaces that balance compliance with regulations and design. ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ For the design and construction of interior partitions from offices to toilet booths, leave it to iPick, the partition specialist manufacturer! "We are accepting reservations for live office and showroom tours." 6F NMF Kanda Iwamotocho Building, 3-8-16 Iwamotocho, Chiyoda-ku, Tokyo For inquiries, feel free to contact our toll-free number 0120-020-720 (Weekdays 10:00 AM to 5:00 PM)!

JECA FAIR 2026 will be exhibiting at the 74th Electrical Installation Industry Exhibition. Dates: May 27, 28, 29 Venue: Tokyo Big Sight, Halls 1, 2, 3, and 8 We look forward to your visit.

The JRE Disaster Assessment Support System Gragram, jointly developed by Hakusan Industrial Co., Ltd. (Headquarters: Fuchu City, Tokyo, President: Minoru Yoshida https://www.hakusan.co.jp/) and JR East Japan Architectural Design Co., Ltd. (Headquarters: Shibuya City, Tokyo, President: Yoshihiko Ito https://www.jred.co.jp/), has been implemented in all buildings of the TAKANAWA GATEWAY CITY, which will have its grand opening on March 28, 2026, and OIMACHI TRACKS, which will open to the public. For more details, please refer to the link below.

We would like to inform you that as of March 27, 2026, our company has become a wholly-owned subsidiary of SmartHR, Inc. through the transfer of shares from Kowa Company, Ltd. This decision is a proactive step to maximize the strong management resources and networks held by SmartHR, allowing us to evolve our service provision system into a more stable and advanced one. Please note that there will be no changes to our business activities, company name, or service provision system following the change in shareholders. Our employees are committed to working together to meet your expectations more than ever. For more details, please also refer to the press release from SmartHR. We sincerely ask for your continued guidance and support.