Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes due to the interim financial closing on the following dates. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Tuesday, September 30, 2025.

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes due to the interim financial closing on the following date. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Monday, March 31, 2025.

We would like to express our sincere gratitude for your continued support. We would like to inform you that our product shipping operations will be suspended on the following dates due to inventory taking associated with our mid-term financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Monday, September 30, 2024.

We are pleased to announce the establishment of the "Product Service Support Desk" at Japan Diaball Valve. We provide reliable, safe, and high-quality after-sales service. Our employees will visit the site in person to conduct inspections and repairs while observing the conditions on-site. *Please feel free to contact us, as there may be cases where on-site inspections and repairs are difficult, such as with large-diameter valves. We will support our users through five sales bases across the country and our partner companies. For preventive maintenance and upkeep, please consult with us! 【Features of the Support Desk】 ■ Supporting the long-term maintenance and management of user equipment ■ Providing various maintenance-related services for our products based on years of accumulated unique know-how and reliable manufacturer quality ■ Accurately carrying out service operations entrusted by users based on over half a century of rich experience and solid technical skills.

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes in conjunction with our financial closing on the following dates. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Friday, March 29, 2024.

An article about our "Diaphragm Valve for Pharmaceutical Manufacturing Equipment" has been published in the valve technology specialized magazine "Valve Technical Report," Vol. 37, No. 1, Issue 88, published in March 2022. This article details the required specifications, compatibility, and applications of diaphragm valves used in pharmaceutical manufacturing equipment, so please take a moment to read it. *The "Valve Technical Report" is the only specialized magazine on valve technology, featuring papers on fundamental valve technology, related technologies, design, related materials and components, application technologies, and standards. "Valve Technical Report" can be purchased from the website of the Japan Valve Manufacturers Association via the related link.

Dear Sir/Madam, I would like to express my sincere congratulations on the continued prosperity of your company. I also wish to extend my heartfelt gratitude for your exceptional support of our products. In light of the challenging market environment, our company has been making continuous efforts to streamline operations and reduce costs in order to maintain our selling prices. However, as you are all aware, in addition to the rising costs of various materials, there has been an increase in indirect costs such as logistics expenses, making it increasingly difficult to absorb these costs through improvements in efficiency and other corporate efforts. Therefore, it is with great reluctance that we must request a revision of the selling prices for diaphragm valves, ball valves, and some related products. We kindly ask for your understanding regarding these circumstances. Sincerely, *Implementation date: From August 2021. *For details on the revised prices, please contact our sales department.

Thank you very much for your continued support. We would like to inform you that our product shipping operations will be suspended on the following dates due to inventory related to our mid-term financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: September 29, 2023 (Friday)

We would like to express our sincere gratitude for your continued support. We would like to inform you that our product shipping operations will be suspended on the following dates due to inventory taking related to our financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Friday, March 31, 2023.

We are pleased to announce that our article has been published in the March 2023 special issue of "Piping Technology" (published by Nippon Kogyo Shuppan Co., Ltd.) featuring the theme "Corrosion, Anti-corrosion, and Corrosion Resistance." Titled "Diaphragm Valves Ideal for Corrosion-resistant Applications," the article provides detailed information on the corrosion resistance, applications, and manufacturing methods of various lining materials and diaphragm materials. We encourage you to read it. *For more details about the specialized magazine "Piping Technology" for plant engineers, please refer to the related link. ◆Lined Diaphragm Valves◆ 【Product Lineup (Example)】 "Type 430 Body": Hard natural rubber lining on a base material of FC200 or FCD-S "Type 459 Body": PFA lining on a base material of FCD-S or SCS13 "Type 460 Body": ETFE lining on a base material of FCD-S "Type 450 Body": Polyethylene lining on a base material of FC200 "Type 480 Body": Porcelain lining on a base material of FCD-S *For more details, please refer to the catalog or feel free to contact us.

We would like to express our sincere gratitude for your continued support. We would like to inform you that our overseas subsidiary, Tianjin Taiya Valve Co., Ltd., has relocated to the following address as of November 1, 2022. Taking this opportunity, all of our employees are committed to renewing our efforts in our business, and we kindly ask for your continued patronage. ■ New Address Zip Code: 300457 145, 13th Avenue, Development Zone, Tianjin (within the TEDA Comprehensive Conservation Area) TEL: +86-22-5981-3960 FAX: +86-22-5981-3961 (both numbers remain unchanged)

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations on the following dates due to inventory related to the interim financial results. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: September 30, 2022 (Friday)

We are pleased to announce that our NDV product, the "Lined Diaphragm Valve," has been featured in the company introduction project "Plant-Related Company Directory" of the September 2022 special issue of Pipe Technology, titled "Engineering Guide for Piping Engineers 2022" (published by Nippon Kogyo Shuppan Co., Ltd.)! Additionally, articles introducing our main product, the diaphragm valve, as well as ball valves, butterfly valves, and sanitary-related valves have been included! *For more details about the specialized magazine "Pipe Technology" for plant engineers, please refer to the related link. ◆ Lined Diaphragm Valve ◆ 【Product Lineup (Example)】 "Model 430": Hard natural rubber lining on a base material of FC200 or FCD-S "Model 459": PFA lining on a base material of FCD-S or SCS13 "Model 460": ETFE lining on a base material of FCD-S "Model 450": Polyethylene lining on a base material of FC200 "Model 480": Porcelain lining on a base material of FCD-S *For more details, please refer to the catalog or feel free to contact us.

In the June 2022 issue of the monthly magazine "Piping Technology" published by Nippon Kogyo Shuppan Co., Ltd., the "Bio-Clean Diaphragm Valve Quick-Opening Handle Type: BQL400NB" was featured as the optimal valve for sanitary specifications. Additionally, there was an introduction article on the "Lined Diaphragm Valve," which is excellent in corrosion and chemical resistance. *For more information on the "Bio-Clean Diaphragm Valve Quick-Opening Handle Type: BQL400NB" and the "Lined Diaphragm Valve," please refer to the PDF materials or catalogs below, or feel free to contact us. You can also find more details about "Piping Technology" through the related links.

We would like to express our sincere gratitude for your continued support. We would like to inform you that our company will suspend product shipping operations on the following dates due to inventory taking related to our financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Thursday, March 31, 2022.

Dear Sir/Madam, I hope this message finds you in good health and spirits. I would like to express my sincere gratitude for your continued support. We regret to inform you that our company will be closed all day on Friday, October 23, 2020, in observance of our founding anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

As part of a location shoot for a soba restaurant where some of our employees ordered delivery, it seems that our employees eating the delivery was captured, and from there, they also filmed female employees and the factory. Please try to spot the NDV members in their uniforms! [Broadcast Schedule] NHK General Original Broadcast: July 9, 2019 (Tuesday) 19:30～ Rebroadcast: July 11, 2019 (Thursday) 12:20～ July 14, 2019 (Sunday) 8:25～