Sunbun Group Co., Ltd. originated from Wenzhou Hydraulic Parts Factory founded in 1993. After continuous entrepreneurship, innovation, and intellectualization, it has developed into a national high-tech enterprise with four R&D and manufacturing bases in Wenzhou, Xuzhou, Shanghai, and Hangzhou. The company is deeply involved in the fields of electro-hydraulic transmission and control systems for engineering machinery, injection molding machines, and others. It integrates R&D, design, manufacturing, and sales.
Sunbun group has always been committed to providing customers with accurate, efficient, and safe electro-hydraulic transmission and control system solutions. It has carried out strategic cooperation in industry, academia, and research with universities such as Zhejiang University, and has overcome many key core technologies of hydraulic components, obtaining more than 280 patents. Hydraulic components have replaced imported products in the engineering machinery industry. Several projects of the group have been listed as national torch plan projects and national spark plan projects, which have won the second and third prizes of China Machinery Industry Science and Technology Award, the first prize of Zhejiang Machinery Industry Science and Technology Award. At present, the main products include hydraulic valves, axial piston pumps/motors, internal meshing gear pumps, reducers, injection molding machines, and electronic control systems, covering more than 100 series and 2,000 varieties. The group has successively passed ISO9001, ISO14001, ISO45001, and EU CE certification, and has been widely used in the fields of engineering machinery, agricultural machinery, environmental equipment, and industrial intelligence. Its market share ranks among the top in the domestic automobile crane industry. Sunbun has been rated as a brand cultivation demonstration enterprise by the Ministry of Industry and Information Technology, won the title of China Machinery Federation's high-quality brand, and has been recognized as a famous trademark in Zhejiang Province.