When washing the spring, please pay attention not to scratch the spring surface, avoid using bleaching components and detergent containing abrasive, steel ball, grinding tools, etc. in order to remove the washing liquid, wash the surface with clean water at the end of washing
If the surface of the spring has dust and is easy to remove the scale, it should be washed with soap, weak detergent or warm water;
The label and film should be cleaned with warm water and weak detergent; the adhesive should be made with alcohol or organic solution;
When fat, oil and lubricating oil are polluted, wipe them with soft cloth or paper, and then wash them with neutral detergent or ammonia solution or special detergent