Outdoor emergency light waterproof mini portable LED flashlight keychain

[Zinc alloy material] 

 Characteristics 

1. The casting performance is good, and the precision parts with thin shapes and thin walls can be die-casted, and the surface of the casting is smooth. 

2. Surface treatment: electroplating, spraying, painting, polishing, grinding, etc. 

3. No iron is absorbed during melting and die casting, no corrosion is applied, and no mold is applied. 

4. Has good mechanical properties and wear resistance at room temperature. 5. Low melting point, melting at 385 ° C, easy to die casting.