First of all, patent rights were under the firm grip of manufacturers in advanced nations. Everlight ’ s technical skills were insufficient, and it was only able to manufacture low-level products. Secondly, Ciba-Geigy of Switzerland, the first company to develop UVAs, had high-quality products and dominated the global market.
首先是專利權早已握在先進大廠手中，永光的技術能量不足，只能生產低階產品；其次，UVA 產業鼻祖、也是技術原創者瑞士汽巴嘉基（Ciba-Geigy）的產品品質精良、獨霸全球市場，且每有新廠加入都會加以打壓。