ZEXEL specializes in the development and production of diesel fuel injection systems, including fuel pumps, injectors, and related components. The company also offers testing and repair services for its products, as well as technical support and training for its customers.

ZEXEL is known for its high-quality products and advanced technology, and it has a strong reputation in the automotive and diesel engine industries. Its products are used in a wide range of applications, including passenger cars, commercial vehicles, construction equipment, and marine engines.