Nan Ya Plastics Corporation (1303.TW) Stock Analysis & Winston Score
Nan Ya Plastics Corporation is a large Taiwanese chemical and materials company that makes plastics, resins, and electronic materials. Its core products include PVC, epoxy resins, copper-clad laminates, and polyester fibers. These materials are sold to manufacturers in industries like construction, electronics, and textiles, making Nan Ya a key supplier in global industrial supply chains. The company earns revenue by selling these materials in bulk to other businesses, rather than selling directly to consumers. Nan Ya operates primarily in Taiwan, China, and the United States, and is part of the Formosa Plastics Group, one of the largest industrial conglomerates in Asia — which gives it significant scale and integrated supply chain advantages. However, with thin margins and a low return on invested capital, the company faces ongoing pressure from weak global demand for chemicals and overcapacity in key product markets, which remain the central risks to its profitability.
Winston Score: 37/100 — Below Average
Below-average fundamentals — multiple weak pillars.
- Quality: Weak (4/30)
- Growth: Good (10/20)
- Cash Flow: Weak (2/10)
- Stability: Good (5/10)
- Valuation: Good (5/10)
- Ownership: Good (10/15)


