Sunny Optical Technology (Group) Co Ltd (Sunny) is a manufacturer specializing in integrated optical products and intelligent optical system solutions. The company is engaged in the design, research and development, production, and sales of these products. These products integrate optics, electronics, algorithm, and mechanical technologies. The company serves industries such as vehicles, extended reality (XR), pan internet of things (pan-IoT), smartphones, and optical instruments.

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Sunny is engaged in the design, research and development, production, and sales of integrated optical products and intelligent optical system solutions. The company integrates cutting-edge technologies such as optics, electronics, algorithms, software, mechanics, and artificial intelligence to empower global clients across various application fields, including smartphones, vehicles, extended reality, pan Internet of things, and precision optics. The company is also involved in the robotics business, focusing on navigation, obstacle avoidance, and visual recognition subsystems. In 2025, projects like lawn mowing robots and warehouse automation began mass production. Additionally, the company has developed digital microscopes with super depth of field and confocal microscopes, which have entered top-tier research centers and automotive manufacturing enterprises. The R&D units of the company include Sunny Optics (Zhongshan) Co., Ltd., Sunny Optical (Zhejiang) Research Institute Co., Ltd., Zhejiang Sunny SmartLead Technologies Co., Ltd., Ningbo Sunny Instruments Co., Ltd., Ningbo Sunny Automotive Optech Co., Ltd., and Ningbo Sunny Opotech Co., Ltd. These units are responsible for managing the company's R&D activities and have been approved as Hi-Tech Enterprises, benefiting from a preferential tax rate. As of December 2025, the Group had a total of 7,561 granted patents, including 4,408 invention patents, 3,057 utility model patents and 96 exterior design patents. In addition, 2,814 patent applications are pending approval. In FY2025, the company incurred expenses of CNY3,258.5 million on R&D, which as a percentage of revenue, stood at 7.5%.