NS is leading globally in the eco-friendly, high-value compressor market with high-speed rotating components and proprietary oil-free air bearing technology.

We are building a sustainable quality innovation system that simultaneously delivers customer satisfaction, top-tier product quality, and social responsibility through active company-wide participation in quality management activities.

1. Ensure quality from the development stage of new businesses and products

2. Manufacture defect-free products by adhering to standardized procedures and criteria

3. Thoroughly understand and fulfill customer requirements

4. Achieve customer satisfaction through continuous improvement activities

Quality System

We deliver consistent, high-quality products and environmental value through a stringent quality management system and a sustainable production environment.

Delivering Sustainable Value

Through the commercialization of eco-friendly high-speed rotor technology, NS is helping customers realize both future-oriented and socially responsible value.

Our innovation-driven quality management emphasizes customer trust. NS mass-produces oil-free air compressors with air foil bearings for hydrogen vehicles, used in passenger cars, buses, and commercial vehicles.

Our compressors represent more than technical achievement- they reflect a commitment to innovation and customer value. NS continually strives to meet Six Sigma quality standards.

Customer Trust & Innovation Vision

We promote a quality-first culture through employee engagement and a shared dedication to earning customer trust.

Ongoing R&D has secured differentiated competitiveness through oil-free, high-speed rotation and exceptional durability.

Building on our achievements in quality control technology for FCEV air compressors and domestic mass production of aerospace components, we are rapidly expanding into the medium- and low-pressure compressor markets.