
Donggang Weiyuan manufactures diesel fuel injection components and repair parts, combining experienced technical expertise with strong machining, inspection, and quality control capabilities.
Donggang Weiyuan Fuel Injection Equipment Co., Ltd. manufactures diesel engine fuel injection components and related parts for demanding applications. Its product range includes injectors, plungers, nozzles (including pencil nozzles), delivery valves, repair kits, and hydraulic heads for VE distributor pumps.
Serving imported automobiles, construction machinery, and marine engine applications, the company focuses on stable quality and dependable supply. Supported by experienced technical specialists, it operates dedicated machining systems and inspection facilities alongside an effective quality control program.
The company supports OEM production based on customer drawings and samples to meet overseas requirements, and complements production with stock availability across multiple models and types. For plungers and valves, stated lead time is no more than 40 days, with after-sales service positioned as a core part of its offering.

Backed by experienced technical specialists, the company combines established machining systems with inspection facilities and an effective quality control system to support consistent product quality and dependable performance.
OEM production is available based on customer drawings and samples, supporting tailored requirements for international buyers and aftermarket programs.
Plungers and valves are supplied with a stated delivery time of no more than 40 days. The company also maintains stock covering a wide range of models and types to support faster fulfillment.
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