NEW: Introduction of new products! The comprehensive door catalog has been updated! Please download it!

We offer a wide range of products, including those that combine functionality with partition capabilities, affordable options, and various doors tailored for different applications.

This catalog features a wide range of "door products" handled by Soshia Partition, which specializes in the sales, design, and construction of partitions. Starting with the functional, safe, and systematic hung door "Racudo," we also offer the design-focused steel partition fire door "FCD," which complies with evacuation safety verification methods, and the "Thermal Sliding Door" suitable for entrances requiring temperature control for freezers and refrigerators, among various products that can be used in offices, various facilities, factories, and warehouses. Our company provides products that meet diverse needs in various locations. [Contents] ■ Hung Doors ■ Lightweight Steel Doors ■ Various Doors for Price-Sensitive Aluminum Frames ■ Various Special Doors Suitable for Factories and Warehouses *For more details, please refer to the PDF materials or feel free to contact us.

• others

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

● This is a leak testing device for small electronic components that does not use fluorinated inert liquids (PFAS-free). ● There is no longer a need for unstable visual confirmation through liquid immersion testing. It adopts a quantitative testing method that allows for stable pressure leak testing. ● It is a tabletop leak testing device specifically for gross leaks, with accuracy equal to or greater than that of liquid immersion testing. ● The detectable range is approximately 1×10⁻² Pa·m³/s to 1×10⁻⁶ Pa·m³/s (varies depending on the target product). ● It is suitable for sealed structures ranging from a few millimeters to a maximum of 80 × 70 mm. Please feel free to contact us for more information!

Fukuda Co., Ltd. has been pursuing leak detection for 60 years and is committed to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing properties. We will propose the appropriate testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

Logistics journalist Mr. Kikuta's serialized column is now available! Titled "Common Misunderstandings in Logistics: Correcting 22 Misconceptions Floating in the Logistics Field," the monthly column by logistics journalist Mr. Kikuta has been updated!

Based on practical experience in support companies and business companies, SBS Marketing Co., Ltd. provides consulting services related to marketing, sales promotion, and customer acquisition primarily in the BtoB (business-to-business) sector. On December 11, 2025 (Thursday), they published a page titled "Does It Deteriorate Organizational Strength and Lead to 'Internal Collapse'!? 'Sabotage Manual'". The "Sabotage Manual" is a document that outlines methods for undermining organizational strength, created by a spy who infiltrated an opposing organization. This handbook for intelligence agents explains its contents, the risk factors for organizational collapse that also apply to corporate organizations, and how to paradoxically utilize this document as hints for "building a resilient organization." (Page Overview: Excerpts) ■ What is the "Sabotage Manual"? ■ What is the content of the "Sabotage Manual"? ■ Specific examples of the "Sabotage Manual" in modern business ■ Methods for "building a resilient organization" learned from the "Sabotage Manual" (DL content only) ▼ For more details, please visit this page. https://sbsmarketing.co.jp/blog/sabotage-manual-2025-12/