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 supplier to major Chinese smartphone brands including Huawei, Oppo and Vivo. Wikipedia