Extension springs for kitchen bathroom pull-out taps usually have the following characteristics:

1. High strength: extension springs are generally made of high quality steel wire material, which has high strength and high elasticity.2. long life: the material of extension springs can effectively improve their fatigue life after heat treatment and other processes, making their service life longer.3. Good stability: extension springs have good stability, their strength, length and shape are more stable in use, not easy to deform. 4.4. Good resilience: extension springs have good resilience and can be quickly returned to their original state after use.5. Good stretchability: extension springs have good stretchability, with lengths that can change under different stretching forces.6. high precision: kitchen bathroom pull-out tap extension springs usually require high precision, and their production requires more sophisticated equipment and processes.In summary, extension springs are widely used in kitchen bathroom pull-out taps, mainly because of their high strength, long life, good resilience and stretch properties.