According to the appearance of the washing method:
general precautions, when washing, please pay attention to the spring surface scratch to avoid the use of bleaching ingredients and abrasive-containing scrubbing liquid, steel wire balls (brush roller balls), abrasive tools, etc., in order to remove the scrubbing liquid, at the end of the scrubbing, rinse the appearance with clean water.
Appearance and washing method
Dust and easy to remove dirt - wash with senna, weak lotion or warm water;
Labels and films - wipe with warm water and weak scrubber;
Binder components – using alcohol or organic solutions;
Fat, oil, lubricating oil contamination - dry with a soft cloth or paper and then wash with neutral detergent or ammonia solution or special scrubbing medicine;

Bleach and acid adhesion - rinse with water immediately, soak in ammonia or neutral carbonated soda solution, and then wash with neutral scrubber or warm water;
Organic carbide attachment - soaked in a hot neutral scrubbing agent or ammonia solution and then washed with a weakly abrasive scrubbing agent;
Fingerprints - use alcohol or organic solvents (ether, benzene), dry with a soft cloth and then wash with water;
Excessive rainbow lines - caused by the use of detergents or oils, and use warm water neutral scrubbing agents when washing;
Welding heat discoloration - wash with 10% nitric acid or hydrofluoric acid solution and then neutralize it with ammonia carbonate soda dilute solution and then wash with water - special brushing drug use;
Rust caused by surface contaminants – brushed with nitric acid (10%) or abrasive scrubbing agents – with special scrubbing drugs. Dongguan Spring Spring Electronics Co., Ltd. (SiS) was established in October 2011, specializing in spring fingers &The company that designs, tests and manufactures high-current connectors moved to Chang'an Town, Dongguan in May 2018. The company has CNC lathe workshop, spring finger workshop, assembly workshop, laboratory. Based on the increasing requirements of connectors for high-current connectors in various industries, spring in the spring electronics has developed a new type of bidirectional coil spring finger (SiS®), single-turn spring finger, Constitute multiple array-type deformation contact points (up to more than 300 points).