Nan Ya Plastics Corporation (Nan Ya) is a Taiwanese petrochemical and materials manufacturer and a core company of the Formosa Plastics Group. The company operates integrated production spanning upstream basic chemicals to downstream polymers and engineered materials, with major manufacturing hubs in Taiwan (including the Mailiao complex) and additional operations in China and the United States.
Its portfolio includes PVC resins and compounds; polyester and PET resins, fibers, and films; plasticizers and related oxo alcohols; epoxy resins, bisphenol A, and formaldehyde derivatives; copper-clad laminates, glass fiber fabrics, and other electronic materials. Nan Ya supplies packaging, construction, automotive, textile, and electronics markets worldwide, supported by in-house utilities and logistics at its integrated sites. Founded in 1958, the company operates large-scale, vertically integrated manufacturing and global distribution for commodity and performance materials.