Shinwha Intertek Co., Ltd. is a South Korea-based manufacturer specializing in high-performance optical films, functional adhesive tapes, and advanced electronic materials for the global display, automotive, and energy storage industries. Founded in 1988 and headquartered in Cheonan-si, South Chungcheong Province, South Korea, the company operates as a member of the Hyosung Group. The company's core product portfolio encompasses optical films for liquid crystal displays (LCD) and quantum dot light-emitting diode (QLED) backlight units, including quantum dot (QD) enhancement films, prism sheets, microlens sheets, light diffusion sheets, and reflector sheets; high-functional adhesive and protective tapes for mobile devices and organic light-emitting diode (OLED) displays, including OLED surface protection tapes, light-shielding tapes, waterproof bonding tapes, impact-cushioning tapes, thermally conductive interface tapes, and electromagnetic interference (EMI) shielding tapes; and automotive display materials, including specialized optical sheets and smart films for digital instrument clusters and head-up display systems. In recent strategic developments, Shinwha Intertek has accelerated its business diversification into the secondary battery sector by commercializing and supplying high-durability, flame-retardant battery cell insulation tapes for electric vehicles to prevent thermal runaway and enhance battery safety. In addition, the company expanded into the extended reality (XR) hardware market through a strategic partnership and equity co-investment with parent company Hyosung in XR platform developer Epiton to manufacture optical modules for smart glasses, while also developing next-generation OLED panel encapsulation materials and smart automotive window films. Shinwha Intertek serves major electronics, display panel, and automotive original equipment manufacturers worldwide through its domestic production and research facilities in South Korea as well as international operating subsidiaries including Dongguan Shinwha Intertek Corp. and Shinwha Intertek (Suzhou) Co., Ltd. in China, and Shinwha Intertek Slovakia S.R.O. in Europe.