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Sunny Optical Technology (Group) Co. Ltd. is an investment holding company, which engages in the manufacture of integrated optical components and products. It operates through the following segments: Optical Components, Optoelectronic Products, and Optical Instruments. The Optical Components segment manufactures and sells lenses and lens modules. The Optoelectronic Products segment produces cell phone camera modules and photoelectric vision products. The Optical Instrument segment includes microscopic, analytical, and surveying instruments. The company was founded by Ye Liao Ning and Wang Wen Jian in October 1984 and is headquartered in Yuyao, China.