A manufacturer specializing in springs,

Wonil industrial produces high-quality springs of super precision with modernized automatic facilities, technical expertise, rational manufacturing process and superior testing equipment.

We boast our quality control system approved already by ISO 9001 Certification, aiming for the supreme quality all the time. Our company is also certified ‘INNO-BIZ’, and labeled as an innovation-oriented small and medium business of constant research and development.

The customer satisfaction has always been our primary concern. Also, targeting the perfect spring production with our unique strategies of efficient management and reduction in the cost of production on an ongoing basis going forward, we are sure to meet our customers` expectations and become a world-class company in a variety of industries of such products as automobiles, office chairs, electronic outputs, textile and farm machinery, accessories, and automobile parts.