Breakthrough in upstream base materials: Wanwei High-tech has realized large-scale mass production of optical PVA films, thoroughly breaking Japan’s long-standing monopoly and forming a complete domestic closed-loop industrial chain for polarizers. Shenzhen Textile and Hengmei Optoelectronics keep expanding production capacity of ultra-wide-width polarizers, and domestic polarizers account for over 58% of global total capacity.
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Winson Optics editorial team -- delivering expert insights on precision optics, sapphire components, and the global supply chain for B2B manufacturers and procurement professionals.