OPT Group is headquartered in Taichung City, Taiwan. It was founded in 2003 and was formerly known as Christian Dior International Trading Company. The group is involved in medical equipment, CNC machine tools, new materials, robotic automation accessories, and other business fields.

Sansun Automation Technology (Dongguan) Co., Ltd. is a robotic automation product company under the OPT Group. It was established in 2013 and is located in Dongguan, Guangdong. It is a collection of robot terminals, pneumatic A diversified high-tech enterprise integrating R&D, production, sales, and technical services of components, sensors, and electric drive products. Since its establishment, the company has unswervingly carried out technological innovation, devoted itself to technological research and development, and took the road of technological development. Strong R&D strength, high-quality quality assurance, and first-class technical services have created the OPT brand. The company has developed and produced a variety of cost-effective EOAT products and a series of application solutions, which are widely used in plastics, automobile manufacturing, and the entire automation industry, and are suitable for production links such as cutting, grasping, torque grinding, smart assembly, and vacuum handling.

In order to comply with the company's future development strategy and meet the needs of the application market, Sansun Automation Technology (Dongguan) Co., Ltd. established the East China Operation Center in Wuxi, Jiangsu in 2018; 2019 Branches were established in Qingdao and Chongqing; in 2020, a digital R&D center will be established in Songshan Lake, Dongguan, and Auputo Automation Products (Dongguan) Co., Ltd. will be established in Hengli, Dongguan, and Auputo Automation Technology (Jiangsu) Co., Ltd. will be established in Zhangjiagang. The company focuses on the production of industrial robot parts, automation products, sensors and control components, pneumatic components, mechanical equipment, and their parts, and strives to become the world's largest EOAT manufacturer.