Sunny Optical Technology Company Limited, known as Sunny Optical or just Sunny is a Chinese civilian-run enterprise and listed company that produces optical lenses. Headquartered in Yuyao, Ningbo, Zhejiang Province, Sunny Optical Technology designs, manufactures, and sells optical devices, including lens modules, camera modules, photoelectric vision products, microscopic, analytical and surveying instruments. It is a leading supplier to major smartphone brands including Apple, Samsung, Huawei, Xiaomi, Oppo and Vivo. Besides, Sunny Optical is also the global leader in automotive optical lenses, consistently ranking No.1 in market share for many years, with approximately 30–35% global share. Wikipedia