長曽鉄工所 List of Products and Services

Nagaso Iron Works realizes high-level product processing through a consistent efficient processing system that incorporates high-precision machining technology and the introduction of advanced machinery. By introducing automatic NC composite lathes and machining centers, we enable high-precision product production with high efficiency. Our company manages the flow of all business processes through a system. It can be accessed from any computer installed at various locations, allowing for comprehensive management of almost all aspects of the business, including corporate information, order placement, and inventory management. By utilizing this system throughout the company, we create a smooth production line. 【Features】 ■ Reduced waste in the production line - Neatly arranged automatic NC composite lathes achieve complex product processing with high efficiency - Introduction of advanced machinery for high-speed cutting shortens processing time ■ Management system that builds a smooth production line - Comprehensive management of almost all aspects of the business, sharing the latest information across the organization *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

Chōso Iron Works achieves the creation of high-precision and high-quality products by thoroughly implementing strict quality and precision checks as well as efficient production lines. For the inspection and measurement of products that require high precision, we use not only existing inspection machines but also original inspection machines devised and manufactured by our engineers. Additionally, in manufacturing and processing, we create unique tools and jigs tailored to each product, enabling us to respond to a wide variety of orders, including those for products with special shapes. 【Features】 ■ Attitude towards Manufacturing - Reduce product errors and losses through strict quality and precision checks - Respond quickly to other productions with an efficient production line free of waste - Enhance awareness of products to create high-precision and high-quality items ■ Inspection and Measurement - Use original inspection machines that dramatically improve the accuracy and efficiency of inspections ■ Manufacturing and Processing - Create unique tools and jigs tailored to products to meet needs *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

The products of Nagaso Iron Works primarily focus on the precision manufacturing of hydraulic equipment components. We rank and assemble inner and outer diameters to a precision of 1 micron. In addition, we are committed to manufacturing products such as pneumatic components and machine tool parts with reliable technology. Moreover, the materials we can process range widely, including iron and copper. By leveraging the characteristics of each material and conducting meticulous material management, we produce high-quality products. We actively take on products that require advanced technology and continuously strive for technical improvement. 【Main Manufactured Products】 ■ Precision machine parts ■ Hydraulic valve components ■ Pneumatic components ■ Machine tool parts *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

High-quality products are greatly influenced by the capabilities of our human resources, including engineers. Our company is constantly striving to improve the technical skills and knowledge of our engineers. We are engaged in initiatives to produce skilled engineers, highly skilled technicians, and those who obtain first and second-class qualifications, thereby increasing the number of superior technical staff. Additionally, maintaining a good working environment contributes to staff motivation, efficiency, and a reduction in human errors. By organizing and maintaining air conditioning throughout the entire factory, we ensure stable quality and a comfortable working environment for our staff. **Features** - **Development of Future Human Resources**: Producing skilled engineers and qualified personnel to deepen their understanding of technology, knowledge, and products. - **Inherited Skilled Techniques**: Passing on complex processing techniques that are difficult to achieve with machines from experienced technicians to younger engineers. - **Work Environment Influencing Awareness and Efficiency**: Creating a clean environment to maintain quality stability and a comfortable working atmosphere. Aiming to create a work environment that is conducive for women, enhancing safety and comfort. *For more details, please refer to the PDF document or feel free to contact us.*

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

At Nagaso Iron Works, high-quality and high-precision products are enhanced through a spirit of material management, with materials color-coded to improve efficiency. Checks at each manufacturing process include quality inspections, equipment maintenance, and fine adjustments. In the event of any deficiencies, our dedicated technicians respond immediately to maintain a smooth flow without losses. The quality check of finished products is conducted meticulously for each item, aiming for high quality with the support of advanced measuring equipment. **Features** - **Material Management**: Strict management with color-coding of various materials such as iron, copper, brass, and aluminum. - **Checks at Each Manufacturing Process**: Including NC and machining. - **Quality Checks with Inspection Equipment**: Aiming for efficiency and stabilization of high-quality standards, thorough product checks are conducted at each stage using inspection machines. - **Strict Checks by Human Eyes and Hands**: Before shipment, inspection staff meticulously check each product to ensure the delivery of high-quality products. *For more details, please refer to the PDF materials or feel free to contact us.*

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

Nagaso Iron Works is a company that manufactures high-precision small parts, primarily focusing on hydraulic components, as well as pneumatic components and machine tools. Our quality policy is to maximize our technical capabilities and provide products that give our customers peace of mind. Since our establishment in 1968, we have consistently strived to deliver high-precision and more refined products to the market. To meet the needs for diversification, speed, and cost reduction, we are advancing a comprehensive system development. 【Main Products】 ■ Precision Machine Parts *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

Chōso Iron Works is a company that primarily manufactures hydraulic components, as well as pneumatic components and machine tool parts, focusing on precision parts production. Our company constantly introduces cutting-edge equipment, and each technician enhances their knowledge of the equipment to utilize it effectively. We would like to introduce equipment that supports the efficient production of high-precision products. 【Equipment Introduction】 ■ CNC Universal Cylindrical Grinder: GE4P-II ■ High-Precision Small NC Lathe: GN-3200 ■ NC Lathe (Automatic): BNJ ■ High-Precision High-Speed Machining Center: NVX5080 ■ Small High-Precision Roundness and Cylindrical Shape Measuring Machine: RONDCOM 54DX3 ■ Contour Measuring Instrument: CV-3100, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Hydraulic Equipment
• Contract manufacturing

Nagaso Iron Works Co., Ltd. is a company that manufactures high-precision small parts, primarily focusing on hydraulic components, as well as pneumatic components and machine tools. We can process a wide range of materials, including iron, brass, copper, aluminum, and Duracon, and by leveraging the characteristics of each material and conducting meticulous material management, we produce high-quality products. To meet the increasingly sophisticated and diverse user needs, we provide products that emphasize precision and quality. For high-precision small parts, please feel free to contact us. 【Product Line】 ■ Precision Machine Parts *For more details, please refer to our catalog or feel free to contact us.

• Hydraulic Equipment
• Other machine elements