
Shandong Dorson Hydraulic Co.,Ltd manufactures excavator undercarriage and hydraulic components, supported by modern production facilities and in-house testing and inspection capabilities.
Shandong Dorson Hydraulic Co.,Ltd is a Jining, Shandong-based manufacturer specializing in construction machinery undercarriage parts and hydraulic components. The company focuses on excavator chassis parts such as idler cushion assemblies, front idler assemblies, driving wheel assemblies, track rollers, and carrier rollers, supported by advanced manufacturing, testing, and inspection equipment.
Operating from a modern 4,000 m² factory with a workforce of 200 people, including 120 personnel with college-level education or above, Dorson supports a broad excavator range from 1.5–75 tons. The company has supplied parts for major equipment makers including Komatsu-Shantui, Zoomlion, Sany, Lishide, Carter, World, USA Dover, Cargotec, Kubota, and Furukawa.
Beyond undercarriage components, Dorson also develops central rotary joints used in excavators, cranes, port machinery, and other engineering machinery. The company is certified to ISO 9001:2015 and holds CE certification, and has received multiple regional and national enterprise honors.

The company researches and develops central rotary joints for excavators, cranes, port machinery, and other engineering machinery, supporting complex hydraulic applications across multiple equipment types.
Dorson operates with 200 employees, including 120 personnel with college-level education or above, and is equipped with advanced manufacturing, testing, and inspection devices to support stable production and quality control.
Developed and manufactured excavator chassis parts for a broad range of major equipment enterprises.
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