Hubei Yingma Automotive Technology Co., Ltd. Among the numerous automotive parts, rubber hoses are often overlooked by the public. Lacking cool appearances or mechanical structures, they are distributed throughout every core system of the vehicle, acting as the "blood vessels" of the car, undertaking core functions such as medium transmission, vibration damping, and sealing protection, serving as fundamental key components to ensure stable and safe vehicle operation. A single vehicle is equipped with dozens of rubber hoses, covering various specifications including long and short, thick and thin, high-pressure, and low-pressure. They run through all core systems such as power, cooling, braking, air conditioning, and fuel, and their quality directly determines the reliability and service life of the vehicle.

During vehicle operation, rubber hoses are always in complex working conditions involving vibration, high temperatures, friction, and alternating high and low temperatures. This imposes high-performance requirements on rubber hoses. Unlike ordinary civilian hoses, automotive-specific rubber hoses need to possess multiple characteristics such as high and low-temperature resistance, oil and corrosion resistance, aging resistance, high-pressure resistance, strong flexibility, and good sealing. They must not become brittle or deformed in low-temperature winter environments, nor soften or leak under high-temperature conditions in the engine compartment, while simultaneously resisting chemical corrosion from media such as fuel, coolant, lubricating oil, and refrigerant.

From a safety perspective, rubber hoses act as the "safety defense line" of a vehicle. Once core pipelines such as brake hoses, fuel hoses, and high-pressure cooling hoses exhibit aging, cracking, or leakage, they can directly cause failures such as brake failure, fuel leakage, engine overheating, and air conditioning malfunction. In severe cases, this leads to major safety accidents such as spontaneous combustion and loss of control while driving. In daily vehicle use, the root cause of most oil and water circuit failures is the aging and failure of rubber hoses.

With the upgrade of the automotive industry, automotive rubber hoses have long moved beyond the simple form of rubber tubing, becoming supporting products integrating material modification, structural design, and processing. From traditional fuel vehicles to new energy vehicles, vehicle architecture, working conditions, and media are constantly iterating. Rubber hoses are also continuously upgrading, iterating towards lightweight, thin-walled, high-flexibility, long-life, and eco-friendly directions. The small rubber hose bears the core mission of vehicle safety, energy saving, and stable operation, making it an indispensable fundamental core component of the automotive industry.