Hydraulic oil delivery hose is an important industrial product widely used in hydraulic systems in various industries. It has advantages such as high strength, pressure resistance, and wear resistance, and plays an irreplaceable role in hydraulic transmission. This article will introduce the characteristics and advantages of hydraulic oil delivery hoses from the aspects of material selection, structural design, and application fields. Firstly, the material selection of hydraulic oil delivery hoses is very important. To ensure good pressure resistance and durability of the hose, high-strength synthetic rubber is generally used as the main material. This synthetic rubber has good oil resistance, chemical resistance, and wear resistance, and can maintain good mechanical properties in various harsh working environments. Secondly, the structural design of hydraulic oil delivery hoses is also crucial. In general, a hose consists of an inner tube, a reinforcing layer, and an outer skin. The inner tube is a key part to ensure the smooth flow of the conveying medium, usually made of synthetic rubber or plastic lining. The reinforcement layer is an important component for increasing the strength and pressure resistance of hoses, and generally uses high-strength synthetic fiber materials or wire mesh layers. The outer skin serves to protect the internal structure of the hose and resist environmental erosion. Hydraulic oil delivery hoses are widely used in hydraulic systems in various industries, mainly for conveying fluid media. For example, in the field of construction machinery, hydraulic oil delivery hoses are widely used in the hydraulic systems of various types of excavators, loaders, bulldozers, and other equipment to ensure the normal operation of mechanical equipment. In addition, it is also widely used in industries such as railways, aviation, and metallurgy. The reliability and durability of hydraulic oil delivery hoses are key factors in improving engineering efficiency and ensuring equipment safety. In summary, as an indispensable part of the hydraulic system, the material selection and structural design of hydraulic oil delivery hoses require careful consideration. By selecting high-strength synthetic rubber materials and reasonable structural design, hydraulic oil delivery hoses have the characteristics of high pressure resistance and wear resistance, and can operate stably in hydraulic systems in various industries. It has made important contributions to the development of engineering machinery, aerospace, railway transportation, and other fields, becoming a key force in promoting industrial development.